diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 37cf4a28f6744df507aa827042c053274af94b39..9eb89a5c73cb68c0668cd6f381f59152c2d1834a 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -15,7 +15,7 @@ jobs:
       fail-fast: false
       matrix:
         python-version: [3.6, 3.7, 3.8]
-        os: [ubuntu-latest, macos-11.0]
+        os: [ubuntu-latest, macos-latest]
 
     runs-on: ${{ matrix.os }}
 
@@ -27,33 +27,28 @@ jobs:
       with:
         python-version: ${{ matrix.python-version }}
 
-    - name: Install pre-install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        pip install poetry wheel
-        poetry config virtualenvs.in-project true
-
-    - name: Cache venv
-      uses: actions/cache@v2
-      with:
-        path: .venv
-        key: ${{ matrix.os }}-${{ matrix.python-version }}-venv-${{ hashFiles('poetry.lock') }}
+    - name: Install Poetry
+      uses: snok/install-poetry@v1.1.1
 
-    - name: Install project dependencies
+    - name: Install project and dependencies
       run: |
-        poetry install --no-root --extras docs --extras test
+        poetry install
 
     - name: Test with pytest
       run: |
-        make test
+        poetry run pytest --cov=pycgtool --cov-report=
+
+    - name: Lint with flake8 - stop build if fails
+      run: |
+        poetry run prospector --strictness veryhigh --test-warnings --tool pyflakes
 
-    - name: Lint with flake8 and prospector
+    - name: Full lint - don't stop build
       run: |
-        make lint
+        poetry run prospector --strictness veryhigh --test-warnings --member-warnings --max-line-length 120 --zero-exit
 
     - name: Test that docs build
       run: |
-        make docs
+        SPHINXBUILD="poetry run sphinx-build" make -C docs html
 
     - name: Check that test coverage is above 80%
       run: |
diff --git a/poetry.lock b/poetry.lock
index 0a63a9aa0ad130fbf33e816f950e0186954c781f..d2080574050672d5b36e9f53327e8ee7bfa6619d 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -2,23 +2,15 @@
 name = "alabaster"
 version = "0.7.12"
 description = "A configurable sidebar-enabled Sphinx theme"
-category = "main"
-optional = true
-python-versions = "*"
-
-[[package]]
-name = "astor"
-version = "0.8.1"
-description = "Read/rewrite/write Python ASTs"
-category = "main"
+category = "dev"
 optional = false
-python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
+python-versions = "*"
 
 [[package]]
 name = "astroid"
 version = "2.4.1"
 description = "An abstract syntax tree for Python with inference support."
-category = "main"
+category = "dev"
 optional = false
 python-versions = ">=3.5"
 
@@ -28,6 +20,17 @@ six = ">=1.12,<2.0"
 typed-ast = {version = ">=1.4.0,<1.5", markers = "implementation_name == \"cpython\" and python_version < \"3.8\""}
 wrapt = ">=1.11,<2.0"
 
+[[package]]
+name = "astunparse"
+version = "1.6.3"
+description = "An AST unparser for Python"
+category = "main"
+optional = false
+python-versions = "*"
+
+[package.dependencies]
+six = ">=1.6.1,<2.0"
+
 [[package]]
 name = "atomicwrites"
 version = "1.4.0"
@@ -38,24 +41,24 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 
 [[package]]
 name = "attrs"
-version = "20.2.0"
+version = "20.3.0"
 description = "Classes Without Boilerplate"
 category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 
 [package.extras]
-dev = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "sphinx", "sphinx-rtd-theme", "pre-commit"]
-docs = ["sphinx", "sphinx-rtd-theme", "zope.interface"]
+dev = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "furo", "sphinx", "pre-commit"]
+docs = ["furo", "sphinx", "zope.interface"]
 tests = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface"]
 tests_no_zope = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six"]
 
 [[package]]
 name = "babel"
-version = "2.8.0"
+version = "2.9.0"
 description = "Internationalization utilities"
-category = "main"
-optional = true
+category = "dev"
+optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 
 [package.dependencies]
@@ -63,23 +66,23 @@ pytz = ">=2015.7"
 
 [[package]]
 name = "certifi"
-version = "2020.6.20"
+version = "2020.12.5"
 description = "Python package for providing Mozilla's CA Bundle."
-category = "main"
-optional = true
+category = "dev"
+optional = false
 python-versions = "*"
 
 [[package]]
 name = "chardet"
-version = "3.0.4"
+version = "4.0.0"
 description = "Universal encoding detector for Python 2 and 3"
-category = "main"
-optional = true
-python-versions = "*"
+category = "dev"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 
 [[package]]
 name = "colorama"
-version = "0.4.3"
+version = "0.4.4"
 description = "Cross-platform colored terminal text."
 category = "main"
 optional = false
@@ -98,7 +101,7 @@ test = ["flake8 (==3.7.8)", "hypothesis (==3.55.3)"]
 
 [[package]]
 name = "coverage"
-version = "5.3"
+version = "5.4"
 description = "Code coverage measurement for Python"
 category = "dev"
 optional = false
@@ -117,7 +120,7 @@ python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
 
 [[package]]
 name = "dataclasses"
-version = "0.7"
+version = "0.8"
 description = "A backport of the dataclasses module for Python 3.6"
 category = "main"
 optional = false
@@ -127,7 +130,7 @@ python-versions = ">=3.6, <3.7"
 name = "docutils"
 version = "0.16"
 description = "Docutils -- Python Documentation Utilities"
-category = "main"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 
@@ -141,7 +144,7 @@ python-versions = "*"
 
 [[package]]
 name = "flake8"
-version = "3.8.3"
+version = "3.8.4"
 description = "the modular source code checker: pep8 pyflakes and co"
 category = "dev"
 optional = false
@@ -168,36 +171,37 @@ flake8 = "*"
 name = "idna"
 version = "2.10"
 description = "Internationalized Domain Names in Applications (IDNA)"
-category = "main"
-optional = true
+category = "dev"
+optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 
 [[package]]
 name = "imagesize"
 version = "1.2.0"
 description = "Getting image size from png/jpeg/jpeg2000/gif file"
-category = "main"
-optional = true
+category = "dev"
+optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 
 [[package]]
 name = "importlib-metadata"
-version = "1.7.0"
+version = "3.4.0"
 description = "Read metadata from Python packages"
 category = "dev"
 optional = false
-python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"
+python-versions = ">=3.6"
 
 [package.dependencies]
+typing-extensions = {version = ">=3.6.4", markers = "python_version < \"3.8\""}
 zipp = ">=0.5"
 
 [package.extras]
-docs = ["sphinx", "rst.linker"]
-testing = ["packaging", "pep517", "importlib-resources (>=1.3)"]
+docs = ["sphinx", "jaraco.packaging (>=8.2)", "rst.linker (>=1.9)"]
+testing = ["pytest (>=3.5,!=3.7.3)", "pytest-checkdocs (>=1.2.3)", "pytest-flake8", "pytest-cov", "pytest-enabler", "packaging", "pep517", "pyfakefs", "flufl.flake8", "pytest-black (>=0.3.7)", "pytest-mypy", "importlib-resources (>=1.3)"]
 
 [[package]]
 name = "iniconfig"
-version = "1.0.1"
+version = "1.1.1"
 description = "iniconfig: brain-dead simple config-ini parsing"
 category = "dev"
 optional = false
@@ -219,10 +223,10 @@ xdg_home = ["appdirs (>=1.4.0)"]
 
 [[package]]
 name = "jinja2"
-version = "2.11.2"
+version = "2.11.3"
 description = "A very fast and expressive template engine."
-category = "main"
-optional = true
+category = "dev"
+optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 
 [package.dependencies]
@@ -235,7 +239,7 @@ i18n = ["Babel (>=0.8)"]
 name = "lazy-object-proxy"
 version = "1.4.3"
 description = "A fast and thorough lazy object proxy."
-category = "main"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 
@@ -243,8 +247,8 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 name = "markupsafe"
 version = "1.1.1"
 description = "Safely add untrusted strings to HTML/XML markup."
-category = "main"
-optional = true
+category = "dev"
+optional = false
 python-versions = ">=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*"
 
 [[package]]
@@ -257,45 +261,44 @@ python-versions = "*"
 
 [[package]]
 name = "mdtraj"
-version = "1.9.4"
+version = "1.9.5"
 description = "MDTraj: A modern, open library for the analysis of molecular dynamics trajectories"
 category = "main"
 optional = false
 python-versions = "*"
 
 [package.dependencies]
-astor = "*"
+astunparse = "*"
 numpy = ">=1.6"
 pyparsing = "*"
 scipy = "*"
 
 [[package]]
-name = "more-itertools"
-version = "8.5.0"
-description = "More routines for operating on iterables, beyond itertools"
-category = "dev"
+name = "numpy"
+version = "1.19.5"
+description = "NumPy is the fundamental package for array computing with Python."
+category = "main"
 optional = false
-python-versions = ">=3.5"
+python-versions = ">=3.6"
 
 [[package]]
 name = "numpy"
-version = "1.19.2"
+version = "1.20.1"
 description = "NumPy is the fundamental package for array computing with Python."
 category = "main"
 optional = false
-python-versions = ">=3.6"
+python-versions = ">=3.7"
 
 [[package]]
 name = "packaging"
-version = "20.4"
+version = "20.9"
 description = "Core utilities for Python packages"
-category = "main"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 
 [package.dependencies]
 pyparsing = ">=2.0.2"
-six = "*"
 
 [[package]]
 name = "pep8-naming"
@@ -324,7 +327,7 @@ dev = ["pre-commit", "tox"]
 
 [[package]]
 name = "prospector"
-version = "1.3.0"
+version = "1.3.1"
 description = "Prospector: python static analysis tool"
 category = "dev"
 optional = false
@@ -338,9 +341,9 @@ pep8-naming = ">=0.3.3,<=0.10.0"
 pycodestyle = ">=2.6.0,<2.7.0"
 pydocstyle = ">=2.0.0"
 pyflakes = ">=2.2.0,<2.3.0"
-pylint = "2.5.2"
+pylint = "2.5.3"
 pylint-celery = "0.3"
-pylint-django = "2.0.15"
+pylint-django = "<2.2.0"
 pylint-flask = "0.6"
 pylint-plugin-utils = ">=0.2.6"
 pyyaml = "*"
@@ -357,7 +360,7 @@ with_vulture = ["vulture (>=1.5)"]
 
 [[package]]
 name = "py"
-version = "1.9.0"
+version = "1.10.0"
 description = "library with cross-python path, ini-parsing, io, code, log facilities"
 category = "dev"
 optional = false
@@ -392,7 +395,7 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 
 [[package]]
 name = "pygments"
-version = "2.7.1"
+version = "2.8.0"
 description = "Pygments is a syntax highlighting package written in Python."
 category = "main"
 optional = false
@@ -400,7 +403,7 @@ python-versions = ">=3.5"
 
 [[package]]
 name = "pylint"
-version = "2.5.2"
+version = "2.5.3"
 description = "python code static checker"
 category = "dev"
 optional = false
@@ -428,7 +431,7 @@ pylint-plugin-utils = ">=0.2.1"
 
 [[package]]
 name = "pylint-django"
-version = "2.0.15"
+version = "2.1.0"
 description = "A Pylint plugin to help Pylint understand the Django web framework"
 category = "dev"
 optional = false
@@ -474,38 +477,36 @@ python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
 
 [[package]]
 name = "pytest"
-version = "6.0.2"
+version = "6.2.2"
 description = "pytest: simple powerful testing with Python"
 category = "dev"
 optional = false
-python-versions = ">=3.5"
+python-versions = ">=3.6"
 
 [package.dependencies]
 atomicwrites = {version = ">=1.0", markers = "sys_platform == \"win32\""}
-attrs = ">=17.4.0"
+attrs = ">=19.2.0"
 colorama = {version = "*", markers = "sys_platform == \"win32\""}
 importlib-metadata = {version = ">=0.12", markers = "python_version < \"3.8\""}
 iniconfig = "*"
-more-itertools = ">=4.0.0"
 packaging = "*"
-pluggy = ">=0.12,<1.0"
+pluggy = ">=0.12,<1.0.0a1"
 py = ">=1.8.2"
 toml = "*"
 
 [package.extras]
-checkqa_mypy = ["mypy (==0.780)"]
 testing = ["argcomplete", "hypothesis (>=3.56)", "mock", "nose", "requests", "xmlschema"]
 
 [[package]]
 name = "pytest-cov"
-version = "2.10.1"
+version = "2.11.1"
 description = "Pytest plugin for measuring coverage."
 category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 
 [package.dependencies]
-coverage = ">=4.4"
+coverage = ">=5.2.1"
 pytest = ">=4.6"
 
 [package.extras]
@@ -513,33 +514,33 @@ testing = ["fields", "hunter", "process-tests (==2.0.2)", "six", "pytest-xdist",
 
 [[package]]
 name = "pytz"
-version = "2020.1"
+version = "2021.1"
 description = "World timezone definitions, modern and historical"
-category = "main"
-optional = true
+category = "dev"
+optional = false
 python-versions = "*"
 
 [[package]]
 name = "pyyaml"
-version = "5.3.1"
+version = "5.4.1"
 description = "YAML parser and emitter for Python"
-category = "main"
+category = "dev"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, !=3.5.*"
 
 [[package]]
 name = "requests"
-version = "2.24.0"
+version = "2.25.1"
 description = "Python HTTP for Humans."
-category = "main"
-optional = true
+category = "dev"
+optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 
 [package.dependencies]
 certifi = ">=2017.4.17"
-chardet = ">=3.0.2,<4"
+chardet = ">=3.0.2,<5"
 idna = ">=2.5,<3"
-urllib3 = ">=1.21.1,<1.25.0 || >1.25.0,<1.25.1 || >1.25.1,<1.26"
+urllib3 = ">=1.21.1,<1.27"
 
 [package.extras]
 security = ["pyOpenSSL (>=0.14)", "cryptography (>=1.3.4)"]
@@ -558,7 +559,7 @@ astroid = ">=1.4"
 
 [[package]]
 name = "rich"
-version = "9.2.0"
+version = "9.11.0"
 description = "Render rich text, tables, progress bars, syntax highlighting, markdown and more to the terminal"
 category = "main"
 optional = false
@@ -567,7 +568,7 @@ python-versions = ">=3.6,<4.0"
 [package.dependencies]
 colorama = ">=0.4.0,<0.5.0"
 commonmark = ">=0.9.0,<0.10.0"
-dataclasses = {version = ">=0.7,<0.8", markers = "python_version >= \"3.6\" and python_version < \"3.7\""}
+dataclasses = {version = ">=0.7,<0.9", markers = "python_version >= \"3.6\" and python_version < \"3.7\""}
 pygments = ">=2.6.0,<3.0.0"
 typing-extensions = ">=3.7.4,<4.0.0"
 
@@ -587,7 +588,7 @@ docutils = ">=0.7"
 
 [[package]]
 name = "scipy"
-version = "1.5.2"
+version = "1.5.4"
 description = "SciPy: Scientific Library for Python"
 category = "main"
 optional = false
@@ -617,18 +618,18 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*"
 
 [[package]]
 name = "snowballstemmer"
-version = "2.0.0"
-description = "This package provides 26 stemmers for 25 languages generated from Snowball algorithms."
-category = "main"
+version = "2.1.0"
+description = "This package provides 29 stemmers for 28 languages generated from Snowball algorithms."
+category = "dev"
 optional = false
 python-versions = "*"
 
 [[package]]
 name = "sphinx"
-version = "3.2.1"
+version = "3.5.1"
 description = "Python documentation generator"
-category = "main"
-optional = true
+category = "dev"
+optional = false
 python-versions = ">=3.5"
 
 [package.dependencies]
@@ -651,34 +652,35 @@ sphinxcontrib-serializinghtml = "*"
 
 [package.extras]
 docs = ["sphinxcontrib-websupport"]
-lint = ["flake8 (>=3.5.0)", "flake8-import-order", "mypy (>=0.780)", "docutils-stubs"]
-test = ["pytest", "pytest-cov", "html5lib", "typed-ast", "cython"]
+lint = ["flake8 (>=3.5.0)", "isort", "mypy (>=0.800)", "docutils-stubs"]
+test = ["pytest", "pytest-cov", "html5lib", "cython", "typed-ast"]
 
 [[package]]
 name = "sphinx-autoapi"
-version = "1.5.0"
+version = "1.7.0"
 description = "Sphinx API documentation generator"
-category = "main"
-optional = true
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, !=3.5.*"
+category = "dev"
+optional = false
+python-versions = ">=3.6"
 
 [package.dependencies]
-astroid = {version = "*", markers = "python_version >= \"3\""}
+astroid = ">=2.4"
 Jinja2 = "*"
 PyYAML = "*"
-sphinx = ">=1.6"
+sphinx = ">=3.0"
 unidecode = "*"
 
 [package.extras]
+docs = ["sphinx", "sphinx-rtd-theme"]
 dotnet = ["sphinxcontrib-dotnetdomain"]
 go = ["sphinxcontrib-golangdomain"]
 
 [[package]]
 name = "sphinx-rtd-theme"
-version = "0.5.0"
+version = "0.5.1"
 description = "Read the Docs theme for Sphinx"
-category = "main"
-optional = true
+category = "dev"
+optional = false
 python-versions = "*"
 
 [package.dependencies]
@@ -691,8 +693,8 @@ dev = ["transifex-client", "sphinxcontrib-httpdomain", "bump2version"]
 name = "sphinxcontrib-applehelp"
 version = "1.0.2"
 description = "sphinxcontrib-applehelp is a sphinx extension which outputs Apple help books"
-category = "main"
-optional = true
+category = "dev"
+optional = false
 python-versions = ">=3.5"
 
 [package.extras]
@@ -703,8 +705,8 @@ test = ["pytest"]
 name = "sphinxcontrib-devhelp"
 version = "1.0.2"
 description = "sphinxcontrib-devhelp is a sphinx extension which outputs Devhelp document."
-category = "main"
-optional = true
+category = "dev"
+optional = false
 python-versions = ">=3.5"
 
 [package.extras]
@@ -715,8 +717,8 @@ test = ["pytest"]
 name = "sphinxcontrib-htmlhelp"
 version = "1.0.3"
 description = "sphinxcontrib-htmlhelp is a sphinx extension which renders HTML help files"
-category = "main"
-optional = true
+category = "dev"
+optional = false
 python-versions = ">=3.5"
 
 [package.extras]
@@ -727,8 +729,8 @@ test = ["pytest", "html5lib"]
 name = "sphinxcontrib-jsmath"
 version = "1.0.1"
 description = "A sphinx extension which renders display math in HTML via JavaScript"
-category = "main"
-optional = true
+category = "dev"
+optional = false
 python-versions = ">=3.5"
 
 [package.extras]
@@ -738,8 +740,8 @@ test = ["pytest", "flake8", "mypy"]
 name = "sphinxcontrib-qthelp"
 version = "1.0.3"
 description = "sphinxcontrib-qthelp is a sphinx extension which outputs QtHelp document."
-category = "main"
-optional = true
+category = "dev"
+optional = false
 python-versions = ">=3.5"
 
 [package.extras]
@@ -750,8 +752,8 @@ test = ["pytest"]
 name = "sphinxcontrib-serializinghtml"
 version = "1.1.4"
 description = "sphinxcontrib-serializinghtml is a sphinx extension which outputs \"serialized\" HTML files (json and pickle)."
-category = "main"
-optional = true
+category = "dev"
+optional = false
 python-versions = ">=3.5"
 
 [package.extras]
@@ -760,17 +762,17 @@ test = ["pytest"]
 
 [[package]]
 name = "toml"
-version = "0.10.1"
+version = "0.10.2"
 description = "Python Library for Tom's Obvious, Minimal Language"
 category = "dev"
 optional = false
-python-versions = "*"
+python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
 
 [[package]]
 name = "typed-ast"
-version = "1.4.1"
+version = "1.4.2"
 description = "a fork of Python 2 and 3 ast modules with type comment support"
-category = "main"
+category = "dev"
 optional = false
 python-versions = "*"
 
@@ -784,28 +786,28 @@ python-versions = "*"
 
 [[package]]
 name = "unidecode"
-version = "1.1.1"
+version = "1.2.0"
 description = "ASCII transliterations of Unicode text"
-category = "main"
-optional = true
+category = "dev"
+optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 
 [[package]]
 name = "urllib3"
-version = "1.25.10"
+version = "1.26.3"
 description = "HTTP library with thread-safe connection pooling, file post, and more."
-category = "main"
-optional = true
+category = "dev"
+optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, <4"
 
 [package.extras]
 brotli = ["brotlipy (>=0.6.0)"]
-secure = ["certifi", "cryptography (>=1.3.4)", "idna (>=2.0.0)", "pyOpenSSL (>=0.14)", "ipaddress"]
+secure = ["pyOpenSSL (>=0.14)", "cryptography (>=1.3.4)", "idna (>=2.0.0)", "certifi", "ipaddress"]
 socks = ["PySocks (>=1.5.6,!=1.5.7,<2.0)"]
 
 [[package]]
 name = "vulture"
-version = "2.1"
+version = "2.3"
 description = "Find dead code"
 category = "dev"
 optional = false
@@ -818,7 +820,7 @@ toml = "*"
 name = "wrapt"
 version = "1.12.1"
 description = "Module for decorators, wrappers and monkey patching."
-category = "main"
+category = "dev"
 optional = false
 python-versions = "*"
 
@@ -832,7 +834,7 @@ python-versions = "*"
 
 [[package]]
 name = "zipp"
-version = "3.2.0"
+version = "3.4.0"
 description = "Backport of pathlib-compatible object wrapper for zip files"
 category = "dev"
 optional = false
@@ -842,91 +844,102 @@ python-versions = ">=3.6"
 docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
 testing = ["pytest (>=3.5,!=3.7.3)", "pytest-checkdocs (>=1.2.3)", "pytest-flake8", "pytest-cov", "jaraco.test (>=3.2.0)", "jaraco.itertools", "func-timeout", "pytest-black (>=0.3.7)", "pytest-mypy"]
 
-[extras]
-docs = ["sphinx", "sphinx-autoapi", "sphinx-rtd-theme"]
-test = []
-
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.6"
-content-hash = "684ae060e918da15c709fa66630983cb36502abed30a288f1e015ed337f0c1a0"
+content-hash = "f35c140d13741413ff816520486bec91842863ee8991b5177b11c0bb8a76ff05"
 
 [metadata.files]
 alabaster = [
     {file = "alabaster-0.7.12-py2.py3-none-any.whl", hash = "sha256:446438bdcca0e05bd45ea2de1668c1d9b032e1a9154c2c259092d77031ddd359"},
     {file = "alabaster-0.7.12.tar.gz", hash = "sha256:a661d72d58e6ea8a57f7a86e37d86716863ee5e92788398526d58b26a4e4dc02"},
 ]
-astor = [
-    {file = "astor-0.8.1-py2.py3-none-any.whl", hash = "sha256:070a54e890cefb5b3739d19f30f5a5ec840ffc9c50ffa7d23cc9fc1a38ebbfc5"},
-    {file = "astor-0.8.1.tar.gz", hash = "sha256:6a6effda93f4e1ce9f618779b2dd1d9d84f1e32812c23a29b3fff6fd7f63fa5e"},
-]
 astroid = [
     {file = "astroid-2.4.1-py3-none-any.whl", hash = "sha256:d8506842a3faf734b81599c8b98dcc423de863adcc1999248480b18bd31a0f38"},
     {file = "astroid-2.4.1.tar.gz", hash = "sha256:4c17cea3e592c21b6e222f673868961bad77e1f985cb1694ed077475a89229c1"},
 ]
+astunparse = [
+    {file = "astunparse-1.6.3-py2.py3-none-any.whl", hash = "sha256:c2652417f2c8b5bb325c885ae329bdf3f86424075c4fd1a128674bc6fba4b8e8"},
+    {file = "astunparse-1.6.3.tar.gz", hash = "sha256:5ad93a8456f0d084c3456d059fd9a92cce667963232cbf763eac3bc5b7940872"},
+]
 atomicwrites = [
     {file = "atomicwrites-1.4.0-py2.py3-none-any.whl", hash = "sha256:6d1784dea7c0c8d4a5172b6c620f40b6e4cbfdf96d783691f2e1302a7b88e197"},
     {file = "atomicwrites-1.4.0.tar.gz", hash = "sha256:ae70396ad1a434f9c7046fd2dd196fc04b12f9e91ffb859164193be8b6168a7a"},
 ]
 attrs = [
-    {file = "attrs-20.2.0-py2.py3-none-any.whl", hash = "sha256:fce7fc47dfc976152e82d53ff92fa0407700c21acd20886a13777a0d20e655dc"},
-    {file = "attrs-20.2.0.tar.gz", hash = "sha256:26b54ddbbb9ee1d34d5d3668dd37d6cf74990ab23c828c2888dccdceee395594"},
+    {file = "attrs-20.3.0-py2.py3-none-any.whl", hash = "sha256:31b2eced602aa8423c2aea9c76a724617ed67cf9513173fd3a4f03e3a929c7e6"},
+    {file = "attrs-20.3.0.tar.gz", hash = "sha256:832aa3cde19744e49938b91fea06d69ecb9e649c93ba974535d08ad92164f700"},
 ]
 babel = [
-    {file = "Babel-2.8.0-py2.py3-none-any.whl", hash = "sha256:d670ea0b10f8b723672d3a6abeb87b565b244da220d76b4dba1b66269ec152d4"},
-    {file = "Babel-2.8.0.tar.gz", hash = "sha256:1aac2ae2d0d8ea368fa90906567f5c08463d98ade155c0c4bfedd6a0f7160e38"},
+    {file = "Babel-2.9.0-py2.py3-none-any.whl", hash = "sha256:9d35c22fcc79893c3ecc85ac4a56cde1ecf3f19c540bba0922308a6c06ca6fa5"},
+    {file = "Babel-2.9.0.tar.gz", hash = "sha256:da031ab54472314f210b0adcff1588ee5d1d1d0ba4dbd07b94dba82bde791e05"},
 ]
 certifi = [
-    {file = "certifi-2020.6.20-py2.py3-none-any.whl", hash = "sha256:8fc0819f1f30ba15bdb34cceffb9ef04d99f420f68eb75d901e9560b8749fc41"},
-    {file = "certifi-2020.6.20.tar.gz", hash = "sha256:5930595817496dd21bb8dc35dad090f1c2cd0adfaf21204bf6732ca5d8ee34d3"},
+    {file = "certifi-2020.12.5-py2.py3-none-any.whl", hash = "sha256:719a74fb9e33b9bd44cc7f3a8d94bc35e4049deebe19ba7d8e108280cfd59830"},
+    {file = "certifi-2020.12.5.tar.gz", hash = "sha256:1a4995114262bffbc2413b159f2a1a480c969de6e6eb13ee966d470af86af59c"},
 ]
 chardet = [
-    {file = "chardet-3.0.4-py2.py3-none-any.whl", hash = "sha256:fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691"},
-    {file = "chardet-3.0.4.tar.gz", hash = "sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae"},
+    {file = "chardet-4.0.0-py2.py3-none-any.whl", hash = "sha256:f864054d66fd9118f2e67044ac8981a54775ec5b67aed0441892edb553d21da5"},
+    {file = "chardet-4.0.0.tar.gz", hash = "sha256:0d6f53a15db4120f2b08c94f11e7d93d2c911ee118b6b30a04ec3ee8310179fa"},
 ]
 colorama = [
-    {file = "colorama-0.4.3-py2.py3-none-any.whl", hash = "sha256:7d73d2a99753107a36ac6b455ee49046802e59d9d076ef8e47b61499fa29afff"},
-    {file = "colorama-0.4.3.tar.gz", hash = "sha256:e96da0d330793e2cb9485e9ddfd918d456036c7149416295932478192f4436a1"},
+    {file = "colorama-0.4.4-py2.py3-none-any.whl", hash = "sha256:9f47eda37229f68eee03b24b9748937c7dc3868f906e8ba69fbcbdd3bc5dc3e2"},
+    {file = "colorama-0.4.4.tar.gz", hash = "sha256:5941b2b48a20143d2267e95b1c2a7603ce057ee39fd88e7329b0c292aa16869b"},
 ]
 commonmark = [
     {file = "commonmark-0.9.1-py2.py3-none-any.whl", hash = "sha256:da2f38c92590f83de410ba1a3cbceafbc74fee9def35f9251ba9a971d6d66fd9"},
     {file = "commonmark-0.9.1.tar.gz", hash = "sha256:452f9dc859be7f06631ddcb328b6919c67984aca654e5fefb3914d54691aed60"},
 ]
 coverage = [
-    {file = "coverage-5.3-cp27-cp27m-macosx_10_13_intel.whl", hash = "sha256:bd3166bb3b111e76a4f8e2980fa1addf2920a4ca9b2b8ca36a3bc3dedc618270"},
-    {file = "coverage-5.3-cp27-cp27m-macosx_10_9_x86_64.whl", hash = "sha256:9342dd70a1e151684727c9c91ea003b2fb33523bf19385d4554f7897ca0141d4"},
-    {file = "coverage-5.3-cp27-cp27m-manylinux1_i686.whl", hash = "sha256:63808c30b41f3bbf65e29f7280bf793c79f54fb807057de7e5238ffc7cc4d7b9"},
-    {file = "coverage-5.3-cp27-cp27m-manylinux1_x86_64.whl", hash = "sha256:4d6a42744139a7fa5b46a264874a781e8694bb32f1d76d8137b68138686f1729"},
-    {file = "coverage-5.3-cp27-cp27m-win32.whl", hash = "sha256:86e9f8cd4b0cdd57b4ae71a9c186717daa4c5a99f3238a8723f416256e0b064d"},
-    {file = "coverage-5.3-cp27-cp27m-win_amd64.whl", hash = "sha256:7858847f2d84bf6e64c7f66498e851c54de8ea06a6f96a32a1d192d846734418"},
-    {file = "coverage-5.3-cp27-cp27mu-manylinux1_i686.whl", hash = "sha256:530cc8aaf11cc2ac7430f3614b04645662ef20c348dce4167c22d99bec3480e9"},
-    {file = "coverage-5.3-cp27-cp27mu-manylinux1_x86_64.whl", hash = "sha256:381ead10b9b9af5f64646cd27107fb27b614ee7040bb1226f9c07ba96625cbb5"},
-    {file = "coverage-5.3-cp35-cp35m-macosx_10_13_x86_64.whl", hash = "sha256:71b69bd716698fa62cd97137d6f2fdf49f534decb23a2c6fc80813e8b7be6822"},
-    {file = "coverage-5.3-cp35-cp35m-manylinux1_i686.whl", hash = "sha256:1d44bb3a652fed01f1f2c10d5477956116e9b391320c94d36c6bf13b088a1097"},
-    {file = "coverage-5.3-cp35-cp35m-manylinux1_x86_64.whl", hash = "sha256:1c6703094c81fa55b816f5ae542c6ffc625fec769f22b053adb42ad712d086c9"},
-    {file = "coverage-5.3-cp35-cp35m-win32.whl", hash = "sha256:cedb2f9e1f990918ea061f28a0f0077a07702e3819602d3507e2ff98c8d20636"},
-    {file = "coverage-5.3-cp35-cp35m-win_amd64.whl", hash = "sha256:7f43286f13d91a34fadf61ae252a51a130223c52bfefb50310d5b2deb062cf0f"},
-    {file = "coverage-5.3-cp36-cp36m-macosx_10_13_x86_64.whl", hash = "sha256:c851b35fc078389bc16b915a0a7c1d5923e12e2c5aeec58c52f4aa8085ac8237"},
-    {file = "coverage-5.3-cp36-cp36m-manylinux1_i686.whl", hash = "sha256:aac1ba0a253e17889550ddb1b60a2063f7474155465577caa2a3b131224cfd54"},
-    {file = "coverage-5.3-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:2b31f46bf7b31e6aa690d4c7a3d51bb262438c6dcb0d528adde446531d0d3bb7"},
-    {file = "coverage-5.3-cp36-cp36m-win32.whl", hash = "sha256:c5f17ad25d2c1286436761b462e22b5020d83316f8e8fcb5deb2b3151f8f1d3a"},
-    {file = "coverage-5.3-cp36-cp36m-win_amd64.whl", hash = "sha256:aef72eae10b5e3116bac6957de1df4d75909fc76d1499a53fb6387434b6bcd8d"},
-    {file = "coverage-5.3-cp37-cp37m-macosx_10_13_x86_64.whl", hash = "sha256:e8caf961e1b1a945db76f1b5fa9c91498d15f545ac0ababbe575cfab185d3bd8"},
-    {file = "coverage-5.3-cp37-cp37m-manylinux1_i686.whl", hash = "sha256:29a6272fec10623fcbe158fdf9abc7a5fa032048ac1d8631f14b50fbfc10d17f"},
-    {file = "coverage-5.3-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:2d43af2be93ffbad25dd959899b5b809618a496926146ce98ee0b23683f8c51c"},
-    {file = "coverage-5.3-cp37-cp37m-win32.whl", hash = "sha256:c3888a051226e676e383de03bf49eb633cd39fc829516e5334e69b8d81aae751"},
-    {file = "coverage-5.3-cp37-cp37m-win_amd64.whl", hash = "sha256:9669179786254a2e7e57f0ecf224e978471491d660aaca833f845b72a2df3709"},
-    {file = "coverage-5.3-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:0203acd33d2298e19b57451ebb0bed0ab0c602e5cf5a818591b4918b1f97d516"},
-    {file = "coverage-5.3-cp38-cp38-manylinux1_i686.whl", hash = "sha256:582ddfbe712025448206a5bc45855d16c2e491c2dd102ee9a2841418ac1c629f"},
-    {file = "coverage-5.3-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:0f313707cdecd5cd3e217fc68c78a960b616604b559e9ea60cc16795c4304259"},
-    {file = "coverage-5.3-cp38-cp38-win32.whl", hash = "sha256:78e93cc3571fd928a39c0b26767c986188a4118edc67bc0695bc7a284da22e82"},
-    {file = "coverage-5.3-cp38-cp38-win_amd64.whl", hash = "sha256:8f264ba2701b8c9f815b272ad568d555ef98dfe1576802ab3149c3629a9f2221"},
-    {file = "coverage-5.3-cp39-cp39-macosx_10_13_x86_64.whl", hash = "sha256:50691e744714856f03a86df3e2bff847c2acede4c191f9a1da38f088df342978"},
-    {file = "coverage-5.3-cp39-cp39-manylinux1_i686.whl", hash = "sha256:9361de40701666b034c59ad9e317bae95c973b9ff92513dd0eced11c6adf2e21"},
-    {file = "coverage-5.3-cp39-cp39-manylinux1_x86_64.whl", hash = "sha256:c1b78fb9700fc961f53386ad2fd86d87091e06ede5d118b8a50dea285a071c24"},
-    {file = "coverage-5.3-cp39-cp39-win32.whl", hash = "sha256:cb7df71de0af56000115eafd000b867d1261f786b5eebd88a0ca6360cccfaca7"},
-    {file = "coverage-5.3-cp39-cp39-win_amd64.whl", hash = "sha256:47a11bdbd8ada9b7ee628596f9d97fbd3851bd9999d398e9436bd67376dbece7"},
-    {file = "coverage-5.3.tar.gz", hash = "sha256:280baa8ec489c4f542f8940f9c4c2181f0306a8ee1a54eceba071a449fb870a0"},
+    {file = "coverage-5.4-cp27-cp27m-macosx_10_9_x86_64.whl", hash = "sha256:6d9c88b787638a451f41f97446a1c9fd416e669b4d9717ae4615bd29de1ac135"},
+    {file = "coverage-5.4-cp27-cp27m-manylinux1_i686.whl", hash = "sha256:66a5aae8233d766a877c5ef293ec5ab9520929c2578fd2069308a98b7374ea8c"},
+    {file = "coverage-5.4-cp27-cp27m-manylinux1_x86_64.whl", hash = "sha256:9754a5c265f991317de2bac0c70a746efc2b695cf4d49f5d2cddeac36544fb44"},
+    {file = "coverage-5.4-cp27-cp27m-manylinux2010_i686.whl", hash = "sha256:fbb17c0d0822684b7d6c09915677a32319f16ff1115df5ec05bdcaaee40b35f3"},
+    {file = "coverage-5.4-cp27-cp27m-manylinux2010_x86_64.whl", hash = "sha256:b7f7421841f8db443855d2854e25914a79a1ff48ae92f70d0a5c2f8907ab98c9"},
+    {file = "coverage-5.4-cp27-cp27m-win32.whl", hash = "sha256:4a780807e80479f281d47ee4af2eb2df3e4ccf4723484f77da0bb49d027e40a1"},
+    {file = "coverage-5.4-cp27-cp27m-win_amd64.whl", hash = "sha256:87c4b38288f71acd2106f5d94f575bc2136ea2887fdb5dfe18003c881fa6b370"},
+    {file = "coverage-5.4-cp27-cp27mu-manylinux1_i686.whl", hash = "sha256:c6809ebcbf6c1049002b9ac09c127ae43929042ec1f1dbd8bb1615f7cd9f70a0"},
+    {file = "coverage-5.4-cp27-cp27mu-manylinux1_x86_64.whl", hash = "sha256:ba7ca81b6d60a9f7a0b4b4e175dcc38e8fef4992673d9d6e6879fd6de00dd9b8"},
+    {file = "coverage-5.4-cp27-cp27mu-manylinux2010_i686.whl", hash = "sha256:89fc12c6371bf963809abc46cced4a01ca4f99cba17be5e7d416ed7ef1245d19"},
+    {file = "coverage-5.4-cp27-cp27mu-manylinux2010_x86_64.whl", hash = "sha256:4a8eb7785bd23565b542b01fb39115a975fefb4a82f23d407503eee2c0106247"},
+    {file = "coverage-5.4-cp35-cp35m-macosx_10_9_x86_64.whl", hash = "sha256:7e40d3f8eb472c1509b12ac2a7e24158ec352fc8567b77ab02c0db053927e339"},
+    {file = "coverage-5.4-cp35-cp35m-manylinux1_i686.whl", hash = "sha256:1ccae21a076d3d5f471700f6d30eb486da1626c380b23c70ae32ab823e453337"},
+    {file = "coverage-5.4-cp35-cp35m-manylinux1_x86_64.whl", hash = "sha256:755c56beeacac6a24c8e1074f89f34f4373abce8b662470d3aa719ae304931f3"},
+    {file = "coverage-5.4-cp35-cp35m-manylinux2010_i686.whl", hash = "sha256:322549b880b2d746a7672bf6ff9ed3f895e9c9f108b714e7360292aa5c5d7cf4"},
+    {file = "coverage-5.4-cp35-cp35m-manylinux2010_x86_64.whl", hash = "sha256:60a3307a84ec60578accd35d7f0c71a3a971430ed7eca6567399d2b50ef37b8c"},
+    {file = "coverage-5.4-cp35-cp35m-win32.whl", hash = "sha256:1375bb8b88cb050a2d4e0da901001347a44302aeadb8ceb4b6e5aa373b8ea68f"},
+    {file = "coverage-5.4-cp35-cp35m-win_amd64.whl", hash = "sha256:16baa799ec09cc0dcb43a10680573269d407c159325972dd7114ee7649e56c66"},
+    {file = "coverage-5.4-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:2f2cf7a42d4b7654c9a67b9d091ec24374f7c58794858bff632a2039cb15984d"},
+    {file = "coverage-5.4-cp36-cp36m-manylinux1_i686.whl", hash = "sha256:b62046592b44263fa7570f1117d372ae3f310222af1fc1407416f037fb3af21b"},
+    {file = "coverage-5.4-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:812eaf4939ef2284d29653bcfee9665f11f013724f07258928f849a2306ea9f9"},
+    {file = "coverage-5.4-cp36-cp36m-manylinux2010_i686.whl", hash = "sha256:859f0add98707b182b4867359e12bde806b82483fb12a9ae868a77880fc3b7af"},
+    {file = "coverage-5.4-cp36-cp36m-manylinux2010_x86_64.whl", hash = "sha256:04b14e45d6a8e159c9767ae57ecb34563ad93440fc1b26516a89ceb5b33c1ad5"},
+    {file = "coverage-5.4-cp36-cp36m-win32.whl", hash = "sha256:ebfa374067af240d079ef97b8064478f3bf71038b78b017eb6ec93ede1b6bcec"},
+    {file = "coverage-5.4-cp36-cp36m-win_amd64.whl", hash = "sha256:84df004223fd0550d0ea7a37882e5c889f3c6d45535c639ce9802293b39cd5c9"},
+    {file = "coverage-5.4-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:1b811662ecf72eb2d08872731636aee6559cae21862c36f74703be727b45df90"},
+    {file = "coverage-5.4-cp37-cp37m-manylinux1_i686.whl", hash = "sha256:6b588b5cf51dc0fd1c9e19f622457cc74b7d26fe295432e434525f1c0fae02bc"},
+    {file = "coverage-5.4-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:3fe50f1cac369b02d34ad904dfe0771acc483f82a1b54c5e93632916ba847b37"},
+    {file = "coverage-5.4-cp37-cp37m-manylinux2010_i686.whl", hash = "sha256:32ab83016c24c5cf3db2943286b85b0a172dae08c58d0f53875235219b676409"},
+    {file = "coverage-5.4-cp37-cp37m-manylinux2010_x86_64.whl", hash = "sha256:68fb816a5dd901c6aff352ce49e2a0ffadacdf9b6fae282a69e7a16a02dad5fb"},
+    {file = "coverage-5.4-cp37-cp37m-win32.whl", hash = "sha256:a636160680c6e526b84f85d304e2f0bb4e94f8284dd765a1911de9a40450b10a"},
+    {file = "coverage-5.4-cp37-cp37m-win_amd64.whl", hash = "sha256:bb32ca14b4d04e172c541c69eec5f385f9a075b38fb22d765d8b0ce3af3a0c22"},
+    {file = "coverage-5.4-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:6c4d7165a4e8f41eca6b990c12ee7f44fef3932fac48ca32cecb3a1b2223c21f"},
+    {file = "coverage-5.4-cp38-cp38-manylinux1_i686.whl", hash = "sha256:a565f48c4aae72d1d3d3f8e8fb7218f5609c964e9c6f68604608e5958b9c60c3"},
+    {file = "coverage-5.4-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:fff1f3a586246110f34dc762098b5afd2de88de507559e63553d7da643053786"},
+    {file = "coverage-5.4-cp38-cp38-manylinux2010_i686.whl", hash = "sha256:a839e25f07e428a87d17d857d9935dd743130e77ff46524abb992b962eb2076c"},
+    {file = "coverage-5.4-cp38-cp38-manylinux2010_x86_64.whl", hash = "sha256:6625e52b6f346a283c3d563d1fd8bae8956daafc64bb5bbd2b8f8a07608e3994"},
+    {file = "coverage-5.4-cp38-cp38-win32.whl", hash = "sha256:5bee3970617b3d74759b2d2df2f6a327d372f9732f9ccbf03fa591b5f7581e39"},
+    {file = "coverage-5.4-cp38-cp38-win_amd64.whl", hash = "sha256:03ed2a641e412e42cc35c244508cf186015c217f0e4d496bf6d7078ebe837ae7"},
+    {file = "coverage-5.4-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:14a9f1887591684fb59fdba8feef7123a0da2424b0652e1b58dd5b9a7bb1188c"},
+    {file = "coverage-5.4-cp39-cp39-manylinux1_i686.whl", hash = "sha256:9564ac7eb1652c3701ac691ca72934dd3009997c81266807aef924012df2f4b3"},
+    {file = "coverage-5.4-cp39-cp39-manylinux1_x86_64.whl", hash = "sha256:0f48fc7dc82ee14aeaedb986e175a429d24129b7eada1b7e94a864e4f0644dde"},
+    {file = "coverage-5.4-cp39-cp39-manylinux2010_i686.whl", hash = "sha256:107d327071061fd4f4a2587d14c389a27e4e5c93c7cba5f1f59987181903902f"},
+    {file = "coverage-5.4-cp39-cp39-manylinux2010_x86_64.whl", hash = "sha256:0cdde51bfcf6b6bd862ee9be324521ec619b20590787d1655d005c3fb175005f"},
+    {file = "coverage-5.4-cp39-cp39-win32.whl", hash = "sha256:c67734cff78383a1f23ceba3b3239c7deefc62ac2b05fa6a47bcd565771e5880"},
+    {file = "coverage-5.4-cp39-cp39-win_amd64.whl", hash = "sha256:c669b440ce46ae3abe9b2d44a913b5fd86bb19eb14a8701e88e3918902ecd345"},
+    {file = "coverage-5.4-pp36-none-any.whl", hash = "sha256:c0ff1c1b4d13e2240821ef23c1efb1f009207cb3f56e16986f713c2b0e7cd37f"},
+    {file = "coverage-5.4-pp37-none-any.whl", hash = "sha256:cd601187476c6bed26a0398353212684c427e10a903aeafa6da40c63309d438b"},
+    {file = "coverage-5.4.tar.gz", hash = "sha256:6d2e262e5e8da6fa56e774fb8e2643417351427604c2b177f8e8c5f75fc928ca"},
 ]
 cython = [
     {file = "Cython-0.29.21-cp27-cp27m-macosx_10_9_x86_64.whl", hash = "sha256:c541b2b49c6638f2b5beb9316726db84a8d1c132bf31b942dae1f9c7f6ad3b92"},
@@ -964,8 +977,8 @@ cython = [
     {file = "Cython-0.29.21.tar.gz", hash = "sha256:e57acb89bd55943c8d8bf813763d20b9099cc7165c0f16b707631a7654be9cad"},
 ]
 dataclasses = [
-    {file = "dataclasses-0.7-py3-none-any.whl", hash = "sha256:3459118f7ede7c8bea0fe795bff7c6c2ce287d01dd226202f7c9ebc0610a7836"},
-    {file = "dataclasses-0.7.tar.gz", hash = "sha256:494a6dcae3b8bcf80848eea2ef64c0cc5cd307ffc263e17cdf42f3e5420808e6"},
+    {file = "dataclasses-0.8-py3-none-any.whl", hash = "sha256:0201d89fa866f68c8ebd9d08ee6ff50c0b255f8ec63a71c16fda7af82bb887bf"},
+    {file = "dataclasses-0.8.tar.gz", hash = "sha256:8479067f342acf957dc82ec415d355ab5edb7e7646b90dc6e2fd1d96ad084c97"},
 ]
 docutils = [
     {file = "docutils-0.16-py2.py3-none-any.whl", hash = "sha256:0c5b78adfbf7762415433f5515cd5c9e762339e23369dbe8000d84a4bf4ab3af"},
@@ -976,8 +989,8 @@ dodgy = [
     {file = "dodgy-0.2.1.tar.gz", hash = "sha256:28323cbfc9352139fdd3d316fa17f325cc0e9ac74438cbba51d70f9b48f86c3a"},
 ]
 flake8 = [
-    {file = "flake8-3.8.3-py2.py3-none-any.whl", hash = "sha256:15e351d19611c887e482fb960eae4d44845013cc142d42896e9862f775d8cf5c"},
-    {file = "flake8-3.8.3.tar.gz", hash = "sha256:f04b9fcbac03b0a3e58c0ab3a0ecc462e023a9faf046d57794184028123aa208"},
+    {file = "flake8-3.8.4-py2.py3-none-any.whl", hash = "sha256:749dbbd6bfd0cf1318af27bf97a14e28e5ff548ef8e5b1566ccfb25a11e7c839"},
+    {file = "flake8-3.8.4.tar.gz", hash = "sha256:aadae8761ec651813c24be05c6f7b4680857ef6afaae4651a4eccaef97ce6c3b"},
 ]
 flake8-polyfill = [
     {file = "flake8-polyfill-1.0.2.tar.gz", hash = "sha256:e44b087597f6da52ec6393a709e7108b2905317d0c0b744cdca6208e670d8eda"},
@@ -992,20 +1005,20 @@ imagesize = [
     {file = "imagesize-1.2.0.tar.gz", hash = "sha256:b1f6b5a4eab1f73479a50fb79fcf729514a900c341d8503d62a62dbc4127a2b1"},
 ]
 importlib-metadata = [
-    {file = "importlib_metadata-1.7.0-py2.py3-none-any.whl", hash = "sha256:dc15b2969b4ce36305c51eebe62d418ac7791e9a157911d58bfb1f9ccd8e2070"},
-    {file = "importlib_metadata-1.7.0.tar.gz", hash = "sha256:90bb658cdbbf6d1735b6341ce708fc7024a3e14e99ffdc5783edea9f9b077f83"},
+    {file = "importlib_metadata-3.4.0-py3-none-any.whl", hash = "sha256:ace61d5fc652dc280e7b6b4ff732a9c2d40db2c0f92bc6cb74e07b73d53a1771"},
+    {file = "importlib_metadata-3.4.0.tar.gz", hash = "sha256:fa5daa4477a7414ae34e95942e4dd07f62adf589143c875c133c1e53c4eff38d"},
 ]
 iniconfig = [
-    {file = "iniconfig-1.0.1-py3-none-any.whl", hash = "sha256:80cf40c597eb564e86346103f609d74efce0f6b4d4f30ec8ce9e2c26411ba437"},
-    {file = "iniconfig-1.0.1.tar.gz", hash = "sha256:e5f92f89355a67de0595932a6c6c02ab4afddc6fcdc0bfc5becd0d60884d3f69"},
+    {file = "iniconfig-1.1.1-py2.py3-none-any.whl", hash = "sha256:011e24c64b7f47f6ebd835bb12a743f2fbe9a26d4cecaa7f53bc4f35ee9da8b3"},
+    {file = "iniconfig-1.1.1.tar.gz", hash = "sha256:bc3af051d7d14b2ee5ef9969666def0cd1a000e121eaea580d4a313df4b37f32"},
 ]
 isort = [
     {file = "isort-4.3.21-py2.py3-none-any.whl", hash = "sha256:6e811fcb295968434526407adb8796944f1988c5b65e8139058f2014cbe100fd"},
     {file = "isort-4.3.21.tar.gz", hash = "sha256:54da7e92468955c4fceacd0c86bd0ec997b0e1ee80d97f67c35a78b719dccab1"},
 ]
 jinja2 = [
-    {file = "Jinja2-2.11.2-py2.py3-none-any.whl", hash = "sha256:f0a4641d3cf955324a89c04f3d94663aa4d638abe8f733ecd3582848e1c37035"},
-    {file = "Jinja2-2.11.2.tar.gz", hash = "sha256:89aab215427ef59c34ad58735269eb58b1a5808103067f7bb9d5836c651b3bb0"},
+    {file = "Jinja2-2.11.3-py2.py3-none-any.whl", hash = "sha256:03e47ad063331dd6a3f04a43eddca8a966a26ba0c5b7207a9a9e4e08f1b29419"},
+    {file = "Jinja2-2.11.3.tar.gz", hash = "sha256:a6d58433de0ae800347cab1fa3043cebbabe8baa9d29e668f1c768cb87a333c6"},
 ]
 lazy-object-proxy = [
     {file = "lazy-object-proxy-1.4.3.tar.gz", hash = "sha256:f3900e8a5de27447acbf900b4750b0ddfd7ec1ea7fbaf11dfa911141bc522af0"},
@@ -1070,43 +1083,75 @@ mccabe = [
     {file = "mccabe-0.6.1.tar.gz", hash = "sha256:dd8d182285a0fe56bace7f45b5e7d1a6ebcbf524e8f3bd87eb0f125271b8831f"},
 ]
 mdtraj = [
-    {file = "mdtraj-1.9.4.tar.gz", hash = "sha256:d5d28be24dd5f38e8b272c3a445a6cdbffc374b30e891c5535f65bb20f7e8b24"},
-]
-more-itertools = [
-    {file = "more-itertools-8.5.0.tar.gz", hash = "sha256:6f83822ae94818eae2612063a5101a7311e68ae8002005b5e05f03fd74a86a20"},
-    {file = "more_itertools-8.5.0-py3-none-any.whl", hash = "sha256:9b30f12df9393f0d28af9210ff8efe48d10c94f73e5daf886f10c4b0b0b4f03c"},
+    {file = "mdtraj-1.9.5-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:c02a9a589acc98dd3cc4db9b0cb21725f5e2cb9484c14cc4fa032a4663c7a1e9"},
+    {file = "mdtraj-1.9.5-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:8816f9a91826e46a413fd1a5ffd663b4076cf4c3b8930bb2046814d1438a88ee"},
+    {file = "mdtraj-1.9.5-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:84bb3ced0ff61c4b3b38a36d71837599f50c8723c5d9e555dced51d0d09e10a1"},
+    {file = "mdtraj-1.9.5-cp39-cp39-manylinux1_x86_64.whl", hash = "sha256:7eae1adc6aa876396c9797d80db3f71da831601fb1739da731e1de9ca8ac96ab"},
+    {file = "mdtraj-1.9.5.tar.gz", hash = "sha256:f22c28c9dd51aa0f8692078dd3c2c7a338a7ca27cbd9aaeb669a60361e95adc4"},
 ]
 numpy = [
-    {file = "numpy-1.19.2-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:b594f76771bc7fc8a044c5ba303427ee67c17a09b36e1fa32bde82f5c419d17a"},
-    {file = "numpy-1.19.2-cp36-cp36m-manylinux1_i686.whl", hash = "sha256:e6ddbdc5113628f15de7e4911c02aed74a4ccff531842c583e5032f6e5a179bd"},
-    {file = "numpy-1.19.2-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:3733640466733441295b0d6d3dcbf8e1ffa7e897d4d82903169529fd3386919a"},
-    {file = "numpy-1.19.2-cp36-cp36m-manylinux2010_i686.whl", hash = "sha256:4339741994c775396e1a274dba3609c69ab0f16056c1077f18979bec2a2c2e6e"},
-    {file = "numpy-1.19.2-cp36-cp36m-manylinux2010_x86_64.whl", hash = "sha256:7c6646314291d8f5ea900a7ea9c4261f834b5b62159ba2abe3836f4fa6705526"},
-    {file = "numpy-1.19.2-cp36-cp36m-manylinux2014_aarch64.whl", hash = "sha256:7118f0a9f2f617f921ec7d278d981244ba83c85eea197be7c5a4f84af80a9c3c"},
-    {file = "numpy-1.19.2-cp36-cp36m-win32.whl", hash = "sha256:9a3001248b9231ed73894c773142658bab914645261275f675d86c290c37f66d"},
-    {file = "numpy-1.19.2-cp36-cp36m-win_amd64.whl", hash = "sha256:967c92435f0b3ba37a4257c48b8715b76741410467e2bdb1097e8391fccfae15"},
-    {file = "numpy-1.19.2-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:d526fa58ae4aead839161535d59ea9565863bb0b0bdb3cc63214613fb16aced4"},
-    {file = "numpy-1.19.2-cp37-cp37m-manylinux1_i686.whl", hash = "sha256:eb25c381d168daf351147713f49c626030dcff7a393d5caa62515d415a6071d8"},
-    {file = "numpy-1.19.2-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:62139af94728d22350a571b7c82795b9d59be77fc162414ada6c8b6a10ef5d02"},
-    {file = "numpy-1.19.2-cp37-cp37m-manylinux2010_i686.whl", hash = "sha256:0c66da1d202c52051625e55a249da35b31f65a81cb56e4c69af0dfb8fb0125bf"},
-    {file = "numpy-1.19.2-cp37-cp37m-manylinux2010_x86_64.whl", hash = "sha256:2117536e968abb7357d34d754e3733b0d7113d4c9f1d921f21a3d96dec5ff716"},
-    {file = "numpy-1.19.2-cp37-cp37m-manylinux2014_aarch64.whl", hash = "sha256:54045b198aebf41bf6bf4088012777c1d11703bf74461d70cd350c0af2182e45"},
-    {file = "numpy-1.19.2-cp37-cp37m-win32.whl", hash = "sha256:aba1d5daf1144b956bc87ffb87966791f5e9f3e1f6fab3d7f581db1f5b598f7a"},
-    {file = "numpy-1.19.2-cp37-cp37m-win_amd64.whl", hash = "sha256:addaa551b298052c16885fc70408d3848d4e2e7352de4e7a1e13e691abc734c1"},
-    {file = "numpy-1.19.2-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:58d66a6b3b55178a1f8a5fe98df26ace76260a70de694d99577ddeab7eaa9a9d"},
-    {file = "numpy-1.19.2-cp38-cp38-manylinux1_i686.whl", hash = "sha256:59f3d687faea7a4f7f93bd9665e5b102f32f3fa28514f15b126f099b7997203d"},
-    {file = "numpy-1.19.2-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:cebd4f4e64cfe87f2039e4725781f6326a61f095bc77b3716502bed812b385a9"},
-    {file = "numpy-1.19.2-cp38-cp38-manylinux2010_i686.whl", hash = "sha256:c35a01777f81e7333bcf276b605f39c872e28295441c265cd0c860f4b40148c1"},
-    {file = "numpy-1.19.2-cp38-cp38-manylinux2010_x86_64.whl", hash = "sha256:d7ac33585e1f09e7345aa902c281bd777fdb792432d27fca857f39b70e5dd31c"},
-    {file = "numpy-1.19.2-cp38-cp38-manylinux2014_aarch64.whl", hash = "sha256:04c7d4ebc5ff93d9822075ddb1751ff392a4375e5885299445fcebf877f179d5"},
-    {file = "numpy-1.19.2-cp38-cp38-win32.whl", hash = "sha256:51ee93e1fac3fe08ef54ff1c7f329db64d8a9c5557e6c8e908be9497ac76374b"},
-    {file = "numpy-1.19.2-cp38-cp38-win_amd64.whl", hash = "sha256:1669ec8e42f169ff715a904c9b2105b6640f3f2a4c4c2cb4920ae8b2785dac65"},
-    {file = "numpy-1.19.2-pp36-pypy36_pp73-manylinux2010_x86_64.whl", hash = "sha256:0bfd85053d1e9f60234f28f63d4a5147ada7f432943c113a11afcf3e65d9d4c8"},
-    {file = "numpy-1.19.2.zip", hash = "sha256:0d310730e1e793527065ad7dde736197b705d0e4c9999775f212b03c44a8484c"},
+    {file = "numpy-1.19.5-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:cc6bd4fd593cb261332568485e20a0712883cf631f6f5e8e86a52caa8b2b50ff"},
+    {file = "numpy-1.19.5-cp36-cp36m-manylinux1_i686.whl", hash = "sha256:aeb9ed923be74e659984e321f609b9ba54a48354bfd168d21a2b072ed1e833ea"},
+    {file = "numpy-1.19.5-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:8b5e972b43c8fc27d56550b4120fe6257fdc15f9301914380b27f74856299fea"},
+    {file = "numpy-1.19.5-cp36-cp36m-manylinux2010_i686.whl", hash = "sha256:43d4c81d5ffdff6bae58d66a3cd7f54a7acd9a0e7b18d97abb255defc09e3140"},
+    {file = "numpy-1.19.5-cp36-cp36m-manylinux2010_x86_64.whl", hash = "sha256:a4646724fba402aa7504cd48b4b50e783296b5e10a524c7a6da62e4a8ac9698d"},
+    {file = "numpy-1.19.5-cp36-cp36m-manylinux2014_aarch64.whl", hash = "sha256:2e55195bc1c6b705bfd8ad6f288b38b11b1af32f3c8289d6c50d47f950c12e76"},
+    {file = "numpy-1.19.5-cp36-cp36m-win32.whl", hash = "sha256:39b70c19ec771805081578cc936bbe95336798b7edf4732ed102e7a43ec5c07a"},
+    {file = "numpy-1.19.5-cp36-cp36m-win_amd64.whl", hash = "sha256:dbd18bcf4889b720ba13a27ec2f2aac1981bd41203b3a3b27ba7a33f88ae4827"},
+    {file = "numpy-1.19.5-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:603aa0706be710eea8884af807b1b3bc9fb2e49b9f4da439e76000f3b3c6ff0f"},
+    {file = "numpy-1.19.5-cp37-cp37m-manylinux1_i686.whl", hash = "sha256:cae865b1cae1ec2663d8ea56ef6ff185bad091a5e33ebbadd98de2cfa3fa668f"},
+    {file = "numpy-1.19.5-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:36674959eed6957e61f11c912f71e78857a8d0604171dfd9ce9ad5cbf41c511c"},
+    {file = "numpy-1.19.5-cp37-cp37m-manylinux2010_i686.whl", hash = "sha256:06fab248a088e439402141ea04f0fffb203723148f6ee791e9c75b3e9e82f080"},
+    {file = "numpy-1.19.5-cp37-cp37m-manylinux2010_x86_64.whl", hash = "sha256:6149a185cece5ee78d1d196938b2a8f9d09f5a5ebfbba66969302a778d5ddd1d"},
+    {file = "numpy-1.19.5-cp37-cp37m-manylinux2014_aarch64.whl", hash = "sha256:50a4a0ad0111cc1b71fa32dedd05fa239f7fb5a43a40663269bb5dc7877cfd28"},
+    {file = "numpy-1.19.5-cp37-cp37m-win32.whl", hash = "sha256:d051ec1c64b85ecc69531e1137bb9751c6830772ee5c1c426dbcfe98ef5788d7"},
+    {file = "numpy-1.19.5-cp37-cp37m-win_amd64.whl", hash = "sha256:a12ff4c8ddfee61f90a1633a4c4afd3f7bcb32b11c52026c92a12e1325922d0d"},
+    {file = "numpy-1.19.5-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:cf2402002d3d9f91c8b01e66fbb436a4ed01c6498fffed0e4c7566da1d40ee1e"},
+    {file = "numpy-1.19.5-cp38-cp38-manylinux1_i686.whl", hash = "sha256:1ded4fce9cfaaf24e7a0ab51b7a87be9038ea1ace7f34b841fe3b6894c721d1c"},
+    {file = "numpy-1.19.5-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:012426a41bc9ab63bb158635aecccc7610e3eff5d31d1eb43bc099debc979d94"},
+    {file = "numpy-1.19.5-cp38-cp38-manylinux2010_i686.whl", hash = "sha256:759e4095edc3c1b3ac031f34d9459fa781777a93ccc633a472a5468587a190ff"},
+    {file = "numpy-1.19.5-cp38-cp38-manylinux2010_x86_64.whl", hash = "sha256:a9d17f2be3b427fbb2bce61e596cf555d6f8a56c222bd2ca148baeeb5e5c783c"},
+    {file = "numpy-1.19.5-cp38-cp38-manylinux2014_aarch64.whl", hash = "sha256:99abf4f353c3d1a0c7a5f27699482c987cf663b1eac20db59b8c7b061eabd7fc"},
+    {file = "numpy-1.19.5-cp38-cp38-win32.whl", hash = "sha256:384ec0463d1c2671170901994aeb6dce126de0a95ccc3976c43b0038a37329c2"},
+    {file = "numpy-1.19.5-cp38-cp38-win_amd64.whl", hash = "sha256:811daee36a58dc79cf3d8bdd4a490e4277d0e4b7d103a001a4e73ddb48e7e6aa"},
+    {file = "numpy-1.19.5-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:c843b3f50d1ab7361ca4f0b3639bf691569493a56808a0b0c54a051d260b7dbd"},
+    {file = "numpy-1.19.5-cp39-cp39-manylinux1_i686.whl", hash = "sha256:d6631f2e867676b13026e2846180e2c13c1e11289d67da08d71cacb2cd93d4aa"},
+    {file = "numpy-1.19.5-cp39-cp39-manylinux1_x86_64.whl", hash = "sha256:7fb43004bce0ca31d8f13a6eb5e943fa73371381e53f7074ed21a4cb786c32f8"},
+    {file = "numpy-1.19.5-cp39-cp39-manylinux2010_i686.whl", hash = "sha256:2ea52bd92ab9f768cc64a4c3ef8f4b2580a17af0a5436f6126b08efbd1838371"},
+    {file = "numpy-1.19.5-cp39-cp39-manylinux2010_x86_64.whl", hash = "sha256:400580cbd3cff6ffa6293df2278c75aef2d58d8d93d3c5614cd67981dae68ceb"},
+    {file = "numpy-1.19.5-cp39-cp39-manylinux2014_aarch64.whl", hash = "sha256:df609c82f18c5b9f6cb97271f03315ff0dbe481a2a02e56aeb1b1a985ce38e60"},
+    {file = "numpy-1.19.5-cp39-cp39-win32.whl", hash = "sha256:ab83f24d5c52d60dbc8cd0528759532736b56db58adaa7b5f1f76ad551416a1e"},
+    {file = "numpy-1.19.5-cp39-cp39-win_amd64.whl", hash = "sha256:0eef32ca3132a48e43f6a0f5a82cb508f22ce5a3d6f67a8329c81c8e226d3f6e"},
+    {file = "numpy-1.19.5-pp36-pypy36_pp73-manylinux2010_x86_64.whl", hash = "sha256:a0d53e51a6cb6f0d9082decb7a4cb6dfb33055308c4c44f53103c073f649af73"},
+    {file = "numpy-1.19.5.zip", hash = "sha256:a76f502430dd98d7546e1ea2250a7360c065a5fdea52b2dffe8ae7180909b6f4"},
+    {file = "numpy-1.20.1-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:ae61f02b84a0211abb56462a3b6cd1e7ec39d466d3160eb4e1da8bf6717cdbeb"},
+    {file = "numpy-1.20.1-cp37-cp37m-manylinux1_i686.whl", hash = "sha256:65410c7f4398a0047eea5cca9b74009ea61178efd78d1be9847fac1d6716ec1e"},
+    {file = "numpy-1.20.1-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:2d7e27442599104ee08f4faed56bb87c55f8b10a5494ac2ead5c98a4b289e61f"},
+    {file = "numpy-1.20.1-cp37-cp37m-manylinux2010_i686.whl", hash = "sha256:4ed8e96dc146e12c1c5cdd6fb9fd0757f2ba66048bf94c5126b7efebd12d0090"},
+    {file = "numpy-1.20.1-cp37-cp37m-manylinux2010_x86_64.whl", hash = "sha256:ecb5b74c702358cdc21268ff4c37f7466357871f53a30e6f84c686952bef16a9"},
+    {file = "numpy-1.20.1-cp37-cp37m-manylinux2014_aarch64.whl", hash = "sha256:b9410c0b6fed4a22554f072a86c361e417f0258838957b78bd063bde2c7f841f"},
+    {file = "numpy-1.20.1-cp37-cp37m-win32.whl", hash = "sha256:3d3087e24e354c18fb35c454026af3ed8997cfd4997765266897c68d724e4845"},
+    {file = "numpy-1.20.1-cp37-cp37m-win_amd64.whl", hash = "sha256:89f937b13b8dd17b0099c7c2e22066883c86ca1575a975f754babc8fbf8d69a9"},
+    {file = "numpy-1.20.1-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:a1d7995d1023335e67fb070b2fae6f5968f5be3802b15ad6d79d81ecaa014fe0"},
+    {file = "numpy-1.20.1-cp38-cp38-manylinux1_i686.whl", hash = "sha256:60759ab15c94dd0e1ed88241fd4fa3312db4e91d2c8f5a2d4cf3863fad83d65b"},
+    {file = "numpy-1.20.1-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:125a0e10ddd99a874fd357bfa1b636cd58deb78ba4a30b5ddb09f645c3512e04"},
+    {file = "numpy-1.20.1-cp38-cp38-manylinux2010_i686.whl", hash = "sha256:c26287dfc888cf1e65181f39ea75e11f42ffc4f4529e5bd19add57ad458996e2"},
+    {file = "numpy-1.20.1-cp38-cp38-manylinux2010_x86_64.whl", hash = "sha256:7199109fa46277be503393be9250b983f325880766f847885607d9b13848f257"},
+    {file = "numpy-1.20.1-cp38-cp38-manylinux2014_aarch64.whl", hash = "sha256:72251e43ac426ff98ea802a931922c79b8d7596480300eb9f1b1e45e0543571e"},
+    {file = "numpy-1.20.1-cp38-cp38-win32.whl", hash = "sha256:c91ec9569facd4757ade0888371eced2ecf49e7982ce5634cc2cf4e7331a4b14"},
+    {file = "numpy-1.20.1-cp38-cp38-win_amd64.whl", hash = "sha256:13adf545732bb23a796914fe5f891a12bd74cf3d2986eed7b7eba2941eea1590"},
+    {file = "numpy-1.20.1-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:104f5e90b143dbf298361a99ac1af4cf59131218a045ebf4ee5990b83cff5fab"},
+    {file = "numpy-1.20.1-cp39-cp39-manylinux2010_i686.whl", hash = "sha256:89e5336f2bec0c726ac7e7cdae181b325a9c0ee24e604704ed830d241c5e47ff"},
+    {file = "numpy-1.20.1-cp39-cp39-manylinux2010_x86_64.whl", hash = "sha256:032be656d89bbf786d743fee11d01ef318b0781281241997558fa7950028dd29"},
+    {file = "numpy-1.20.1-cp39-cp39-manylinux2014_aarch64.whl", hash = "sha256:66b467adfcf628f66ea4ac6430ded0614f5cc06ba530d09571ea404789064adc"},
+    {file = "numpy-1.20.1-cp39-cp39-win32.whl", hash = "sha256:12e4ba5c6420917571f1a5becc9338abbde71dd811ce40b37ba62dec7b39af6d"},
+    {file = "numpy-1.20.1-cp39-cp39-win_amd64.whl", hash = "sha256:9c94cab5054bad82a70b2e77741271790304651d584e2cdfe2041488e753863b"},
+    {file = "numpy-1.20.1-pp37-pypy37_pp73-manylinux2010_x86_64.whl", hash = "sha256:9eb551d122fadca7774b97db8a112b77231dcccda8e91a5bc99e79890797175e"},
+    {file = "numpy-1.20.1.zip", hash = "sha256:3bc63486a870294683980d76ec1e3efc786295ae00128f9ea38e2c6e74d5a60a"},
 ]
 packaging = [
-    {file = "packaging-20.4-py2.py3-none-any.whl", hash = "sha256:998416ba6962ae7fbd6596850b80e17859a5753ba17c32284f67bfff33784181"},
-    {file = "packaging-20.4.tar.gz", hash = "sha256:4357f74f47b9c12db93624a82154e9b120fa8293699949152b22065d556079f8"},
+    {file = "packaging-20.9-py2.py3-none-any.whl", hash = "sha256:67714da7f7bc052e064859c05c595155bd1ee9f69f76557e21f051443c20947a"},
+    {file = "packaging-20.9.tar.gz", hash = "sha256:5b327ac1320dc863dca72f4514ecc086f31186744b84a230374cc1fd776feae5"},
 ]
 pep8-naming = [
     {file = "pep8-naming-0.10.0.tar.gz", hash = "sha256:f3b4a5f9dd72b991bf7d8e2a341d2e1aa3a884a769b5aaac4f56825c1763bf3a"},
@@ -1117,11 +1162,11 @@ pluggy = [
     {file = "pluggy-0.13.1.tar.gz", hash = "sha256:15b2acde666561e1298d71b523007ed7364de07029219b604cf808bfa1c765b0"},
 ]
 prospector = [
-    {file = "prospector-1.3.0.tar.gz", hash = "sha256:43e5e187c027336b0e4c4aa6a82d66d3b923b5ec5b51968126132e32f9d14a2f"},
+    {file = "prospector-1.3.1.tar.gz", hash = "sha256:700d7918d93d73035a2a58fb18c6be0b609a0481fc6e0908843fa856b89e52c6"},
 ]
 py = [
-    {file = "py-1.9.0-py2.py3-none-any.whl", hash = "sha256:366389d1db726cd2fcfc79732e75410e5fe4d31db13692115529d34069a043c2"},
-    {file = "py-1.9.0.tar.gz", hash = "sha256:9ca6883ce56b4e8da7e79ac18787889fa5206c79dcc67fb065376cd2fe03f342"},
+    {file = "py-1.10.0-py2.py3-none-any.whl", hash = "sha256:3b80836aa6d1feeaa108e046da6423ab8f6ceda6468545ae8d02d9d58d18818a"},
+    {file = "py-1.10.0.tar.gz", hash = "sha256:21b81bda15b66ef5e1a777a21c4dcd9c20ad3efd0b3f817e7a809035269e1bd3"},
 ]
 pycodestyle = [
     {file = "pycodestyle-2.6.0-py2.py3-none-any.whl", hash = "sha256:2295e7b2f6b5bd100585ebcb1f616591b652db8a741695b3d8f5d28bdc934367"},
@@ -1136,19 +1181,19 @@ pyflakes = [
     {file = "pyflakes-2.2.0.tar.gz", hash = "sha256:35b2d75ee967ea93b55750aa9edbbf72813e06a66ba54438df2cfac9e3c27fc8"},
 ]
 pygments = [
-    {file = "Pygments-2.7.1-py3-none-any.whl", hash = "sha256:307543fe65c0947b126e83dd5a61bd8acbd84abec11f43caebaf5534cbc17998"},
-    {file = "Pygments-2.7.1.tar.gz", hash = "sha256:926c3f319eda178d1bd90851e4317e6d8cdb5e292a3386aac9bd75eca29cf9c7"},
+    {file = "Pygments-2.8.0-py3-none-any.whl", hash = "sha256:b21b072d0ccdf29297a82a2363359d99623597b8a265b8081760e4d0f7153c88"},
+    {file = "Pygments-2.8.0.tar.gz", hash = "sha256:37a13ba168a02ac54cc5891a42b1caec333e59b66addb7fa633ea8a6d73445c0"},
 ]
 pylint = [
-    {file = "pylint-2.5.2-py3-none-any.whl", hash = "sha256:dd506acce0427e9e08fb87274bcaa953d38b50a58207170dbf5b36cf3e16957b"},
-    {file = "pylint-2.5.2.tar.gz", hash = "sha256:b95e31850f3af163c2283ed40432f053acbc8fc6eba6a069cb518d9dbf71848c"},
+    {file = "pylint-2.5.3-py3-none-any.whl", hash = "sha256:d0ece7d223fe422088b0e8f13fa0a1e8eb745ebffcb8ed53d3e95394b6101a1c"},
+    {file = "pylint-2.5.3.tar.gz", hash = "sha256:7dd78437f2d8d019717dbf287772d0b2dbdfd13fc016aa7faa08d67bccc46adc"},
 ]
 pylint-celery = [
     {file = "pylint-celery-0.3.tar.gz", hash = "sha256:41e32094e7408d15c044178ea828dd524beedbdbe6f83f712c5e35bde1de4beb"},
 ]
 pylint-django = [
-    {file = "pylint-django-2.0.15.tar.gz", hash = "sha256:06a64331c498a3f049ba669dc0c174b92209e164198d43e589b1096ee616d5f8"},
-    {file = "pylint_django-2.0.15-py3-none-any.whl", hash = "sha256:3d3436ba8d0fae576ae2db160e33a8f2746a101fda4463f2b3ff3a8b6fccec38"},
+    {file = "pylint-django-2.1.0.tar.gz", hash = "sha256:b7756844dba0cecd3471056a1ef4154439defedaba38bf3ced9f848d2bf6297c"},
+    {file = "pylint_django-2.1.0-py3-none-any.whl", hash = "sha256:ca32277c77878dd3c2d9e75f3f3f7f0c0712f053f10ff1b946cdc27367a6c911"},
 ]
 pylint-flask = [
     {file = "pylint-flask-0.6.tar.gz", hash = "sha256:f4d97de2216bf7bfce07c9c08b166e978fe9f2725de2a50a9845a97de7e31517"},
@@ -1162,61 +1207,80 @@ pyparsing = [
     {file = "pyparsing-2.4.7.tar.gz", hash = "sha256:c203ec8783bf771a155b207279b9bccb8dea02d8f0c9e5f8ead507bc3246ecc1"},
 ]
 pytest = [
-    {file = "pytest-6.0.2-py3-none-any.whl", hash = "sha256:0e37f61339c4578776e090c3b8f6b16ce4db333889d65d0efb305243ec544b40"},
-    {file = "pytest-6.0.2.tar.gz", hash = "sha256:c8f57c2a30983f469bf03e68cdfa74dc474ce56b8f280ddcb080dfd91df01043"},
+    {file = "pytest-6.2.2-py3-none-any.whl", hash = "sha256:b574b57423e818210672e07ca1fa90aaf194a4f63f3ab909a2c67ebb22913839"},
+    {file = "pytest-6.2.2.tar.gz", hash = "sha256:9d1edf9e7d0b84d72ea3dbcdfd22b35fb543a5e8f2a60092dd578936bf63d7f9"},
 ]
 pytest-cov = [
-    {file = "pytest-cov-2.10.1.tar.gz", hash = "sha256:47bd0ce14056fdd79f93e1713f88fad7bdcc583dcd7783da86ef2f085a0bb88e"},
-    {file = "pytest_cov-2.10.1-py2.py3-none-any.whl", hash = "sha256:45ec2d5182f89a81fc3eb29e3d1ed3113b9e9a873bcddb2a71faaab066110191"},
+    {file = "pytest-cov-2.11.1.tar.gz", hash = "sha256:359952d9d39b9f822d9d29324483e7ba04a3a17dd7d05aa6beb7ea01e359e5f7"},
+    {file = "pytest_cov-2.11.1-py2.py3-none-any.whl", hash = "sha256:bdb9fdb0b85a7cc825269a4c56b48ccaa5c7e365054b6038772c32ddcdc969da"},
 ]
 pytz = [
-    {file = "pytz-2020.1-py2.py3-none-any.whl", hash = "sha256:a494d53b6d39c3c6e44c3bec237336e14305e4f29bbf800b599253057fbb79ed"},
-    {file = "pytz-2020.1.tar.gz", hash = "sha256:c35965d010ce31b23eeb663ed3cc8c906275d6be1a34393a1d73a41febf4a048"},
+    {file = "pytz-2021.1-py2.py3-none-any.whl", hash = "sha256:eb10ce3e7736052ed3623d49975ce333bcd712c7bb19a58b9e2089d4057d0798"},
+    {file = "pytz-2021.1.tar.gz", hash = "sha256:83a4a90894bf38e243cf052c8b58f381bfe9a7a483f6a9cab140bc7f702ac4da"},
 ]
 pyyaml = [
-    {file = "PyYAML-5.3.1-cp27-cp27m-win32.whl", hash = "sha256:74809a57b329d6cc0fdccee6318f44b9b8649961fa73144a98735b0aaf029f1f"},
-    {file = "PyYAML-5.3.1-cp27-cp27m-win_amd64.whl", hash = "sha256:240097ff019d7c70a4922b6869d8a86407758333f02203e0fc6ff79c5dcede76"},
-    {file = "PyYAML-5.3.1-cp35-cp35m-win32.whl", hash = "sha256:4f4b913ca1a7319b33cfb1369e91e50354d6f07a135f3b901aca02aa95940bd2"},
-    {file = "PyYAML-5.3.1-cp35-cp35m-win_amd64.whl", hash = "sha256:cc8955cfbfc7a115fa81d85284ee61147059a753344bc51098f3ccd69b0d7e0c"},
-    {file = "PyYAML-5.3.1-cp36-cp36m-win32.whl", hash = "sha256:7739fc0fa8205b3ee8808aea45e968bc90082c10aef6ea95e855e10abf4a37b2"},
-    {file = "PyYAML-5.3.1-cp36-cp36m-win_amd64.whl", hash = "sha256:69f00dca373f240f842b2931fb2c7e14ddbacd1397d57157a9b005a6a9942648"},
-    {file = "PyYAML-5.3.1-cp37-cp37m-win32.whl", hash = "sha256:d13155f591e6fcc1ec3b30685d50bf0711574e2c0dfffd7644babf8b5102ca1a"},
-    {file = "PyYAML-5.3.1-cp37-cp37m-win_amd64.whl", hash = "sha256:73f099454b799e05e5ab51423c7bcf361c58d3206fa7b0d555426b1f4d9a3eaf"},
-    {file = "PyYAML-5.3.1-cp38-cp38-win32.whl", hash = "sha256:06a0d7ba600ce0b2d2fe2e78453a470b5a6e000a985dd4a4e54e436cc36b0e97"},
-    {file = "PyYAML-5.3.1-cp38-cp38-win_amd64.whl", hash = "sha256:95f71d2af0ff4227885f7a6605c37fd53d3a106fcab511b8860ecca9fcf400ee"},
-    {file = "PyYAML-5.3.1.tar.gz", hash = "sha256:b8eac752c5e14d3eca0e6dd9199cd627518cb5ec06add0de9d32baeee6fe645d"},
+    {file = "PyYAML-5.4.1-cp27-cp27m-macosx_10_9_x86_64.whl", hash = "sha256:3b2b1824fe7112845700f815ff6a489360226a5609b96ec2190a45e62a9fc922"},
+    {file = "PyYAML-5.4.1-cp27-cp27m-win32.whl", hash = "sha256:129def1b7c1bf22faffd67b8f3724645203b79d8f4cc81f674654d9902cb4393"},
+    {file = "PyYAML-5.4.1-cp27-cp27m-win_amd64.whl", hash = "sha256:4465124ef1b18d9ace298060f4eccc64b0850899ac4ac53294547536533800c8"},
+    {file = "PyYAML-5.4.1-cp27-cp27mu-manylinux1_x86_64.whl", hash = "sha256:bb4191dfc9306777bc594117aee052446b3fa88737cd13b7188d0e7aa8162185"},
+    {file = "PyYAML-5.4.1-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:6c78645d400265a062508ae399b60b8c167bf003db364ecb26dcab2bda048253"},
+    {file = "PyYAML-5.4.1-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:4e0583d24c881e14342eaf4ec5fbc97f934b999a6828693a99157fde912540cc"},
+    {file = "PyYAML-5.4.1-cp36-cp36m-win32.whl", hash = "sha256:3bd0e463264cf257d1ffd2e40223b197271046d09dadf73a0fe82b9c1fc385a5"},
+    {file = "PyYAML-5.4.1-cp36-cp36m-win_amd64.whl", hash = "sha256:e4fac90784481d221a8e4b1162afa7c47ed953be40d31ab4629ae917510051df"},
+    {file = "PyYAML-5.4.1-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:5accb17103e43963b80e6f837831f38d314a0495500067cb25afab2e8d7a4018"},
+    {file = "PyYAML-5.4.1-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:e1d4970ea66be07ae37a3c2e48b5ec63f7ba6804bdddfdbd3cfd954d25a82e63"},
+    {file = "PyYAML-5.4.1-cp37-cp37m-win32.whl", hash = "sha256:dd5de0646207f053eb0d6c74ae45ba98c3395a571a2891858e87df7c9b9bd51b"},
+    {file = "PyYAML-5.4.1-cp37-cp37m-win_amd64.whl", hash = "sha256:08682f6b72c722394747bddaf0aa62277e02557c0fd1c42cb853016a38f8dedf"},
+    {file = "PyYAML-5.4.1-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:d2d9808ea7b4af864f35ea216be506ecec180628aced0704e34aca0b040ffe46"},
+    {file = "PyYAML-5.4.1-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:8c1be557ee92a20f184922c7b6424e8ab6691788e6d86137c5d93c1a6ec1b8fb"},
+    {file = "PyYAML-5.4.1-cp38-cp38-win32.whl", hash = "sha256:fa5ae20527d8e831e8230cbffd9f8fe952815b2b7dae6ffec25318803a7528fc"},
+    {file = "PyYAML-5.4.1-cp38-cp38-win_amd64.whl", hash = "sha256:0f5f5786c0e09baddcd8b4b45f20a7b5d61a7e7e99846e3c799b05c7c53fa696"},
+    {file = "PyYAML-5.4.1-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:294db365efa064d00b8d1ef65d8ea2c3426ac366c0c4368d930bf1c5fb497f77"},
+    {file = "PyYAML-5.4.1-cp39-cp39-manylinux1_x86_64.whl", hash = "sha256:74c1485f7707cf707a7aef42ef6322b8f97921bd89be2ab6317fd782c2d53183"},
+    {file = "PyYAML-5.4.1-cp39-cp39-win32.whl", hash = "sha256:49d4cdd9065b9b6e206d0595fee27a96b5dd22618e7520c33204a4a3239d5b10"},
+    {file = "PyYAML-5.4.1-cp39-cp39-win_amd64.whl", hash = "sha256:c20cfa2d49991c8b4147af39859b167664f2ad4561704ee74c1de03318e898db"},
+    {file = "PyYAML-5.4.1.tar.gz", hash = "sha256:607774cbba28732bfa802b54baa7484215f530991055bb562efbed5b2f20a45e"},
 ]
 requests = [
-    {file = "requests-2.24.0-py2.py3-none-any.whl", hash = "sha256:fe75cc94a9443b9246fc7049224f75604b113c36acb93f87b80ed42c44cbb898"},
-    {file = "requests-2.24.0.tar.gz", hash = "sha256:b3559a131db72c33ee969480840fff4bb6dd111de7dd27c8ee1f820f4f00231b"},
+    {file = "requests-2.25.1-py2.py3-none-any.whl", hash = "sha256:c210084e36a42ae6b9219e00e48287def368a26d03a048ddad7bfee44f75871e"},
+    {file = "requests-2.25.1.tar.gz", hash = "sha256:27973dd4a904a4f13b263a19c866c13b92a39ed1c964655f025f3f8d3d75b804"},
 ]
 requirements-detector = [
     {file = "requirements-detector-0.7.tar.gz", hash = "sha256:0d1e13e61ed243f9c3c86e6cbb19980bcb3a0e0619cde2ec1f3af70fdbee6f7b"},
 ]
 rich = [
-    {file = "rich-9.2.0-py3-none-any.whl", hash = "sha256:564fee761e0756c3a4fbe97517166703754e11b4e861983cf184c78c9de8b570"},
-    {file = "rich-9.2.0.tar.gz", hash = "sha256:7003a1cce3b79bf4d34a26099b00a4b67e208d4a6896a1c25368603d5f49f295"},
+    {file = "rich-9.11.0-py3-none-any.whl", hash = "sha256:a8ee22199562278d2f78148cacb2f9460ccac362cd4a40f705505b41daae60e0"},
+    {file = "rich-9.11.0.tar.gz", hash = "sha256:f8f08fdac6bd67dc2dd7fe976da702d748487aa9eb5d050c48b2321bc67ed659"},
 ]
 rstcheck = [
     {file = "rstcheck-3.3.1.tar.gz", hash = "sha256:92c4f79256a54270e0402ba16a2f92d0b3c15c8f4410cb9c57127067c215741f"},
 ]
 scipy = [
-    {file = "scipy-1.5.2-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:cca9fce15109a36a0a9f9cfc64f870f1c140cb235ddf27fe0328e6afb44dfed0"},
-    {file = "scipy-1.5.2-cp36-cp36m-manylinux1_i686.whl", hash = "sha256:1c7564a4810c1cd77fcdee7fa726d7d39d4e2695ad252d7c86c3ea9d85b7fb8f"},
-    {file = "scipy-1.5.2-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:07e52b316b40a4f001667d1ad4eb5f2318738de34597bd91537851365b6c61f1"},
-    {file = "scipy-1.5.2-cp36-cp36m-win32.whl", hash = "sha256:d56b10d8ed72ec1be76bf10508446df60954f08a41c2d40778bc29a3a9ad9bce"},
-    {file = "scipy-1.5.2-cp36-cp36m-win_amd64.whl", hash = "sha256:8e28e74b97fc8d6aa0454989db3b5d36fc27e69cef39a7ee5eaf8174ca1123cb"},
-    {file = "scipy-1.5.2-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:6e86c873fe1335d88b7a4bfa09d021f27a9e753758fd75f3f92d714aa4093768"},
-    {file = "scipy-1.5.2-cp37-cp37m-manylinux1_i686.whl", hash = "sha256:a0afbb967fd2c98efad5f4c24439a640d39463282040a88e8e928db647d8ac3d"},
-    {file = "scipy-1.5.2-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:eecf40fa87eeda53e8e11d265ff2254729d04000cd40bae648e76ff268885d66"},
-    {file = "scipy-1.5.2-cp37-cp37m-win32.whl", hash = "sha256:315aa2165aca31375f4e26c230188db192ed901761390be908c9b21d8b07df62"},
-    {file = "scipy-1.5.2-cp37-cp37m-win_amd64.whl", hash = "sha256:ec5fe57e46828d034775b00cd625c4a7b5c7d2e354c3b258d820c6c72212a6ec"},
-    {file = "scipy-1.5.2-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:fc98f3eac993b9bfdd392e675dfe19850cc8c7246a8fd2b42443e506344be7d9"},
-    {file = "scipy-1.5.2-cp38-cp38-manylinux1_i686.whl", hash = "sha256:a785409c0fa51764766840185a34f96a0a93527a0ff0230484d33a8ed085c8f8"},
-    {file = "scipy-1.5.2-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:0a0e9a4e58a4734c2eba917f834b25b7e3b6dc333901ce7784fd31aefbd37b2f"},
-    {file = "scipy-1.5.2-cp38-cp38-win32.whl", hash = "sha256:dac09281a0eacd59974e24525a3bc90fa39b4e95177e638a31b14db60d3fa806"},
-    {file = "scipy-1.5.2-cp38-cp38-win_amd64.whl", hash = "sha256:92eb04041d371fea828858e4fff182453c25ae3eaa8782d9b6c32b25857d23bc"},
-    {file = "scipy-1.5.2.tar.gz", hash = "sha256:066c513d90eb3fd7567a9e150828d39111ebd88d3e924cdfc9f8ce19ab6f90c9"},
+    {file = "scipy-1.5.4-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:4f12d13ffbc16e988fa40809cbbd7a8b45bc05ff6ea0ba8e3e41f6f4db3a9e47"},
+    {file = "scipy-1.5.4-cp36-cp36m-manylinux1_i686.whl", hash = "sha256:a254b98dbcc744c723a838c03b74a8a34c0558c9ac5c86d5561703362231107d"},
+    {file = "scipy-1.5.4-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:368c0f69f93186309e1b4beb8e26d51dd6f5010b79264c0f1e9ca00cd92ea8c9"},
+    {file = "scipy-1.5.4-cp36-cp36m-manylinux2014_aarch64.whl", hash = "sha256:4598cf03136067000855d6b44d7a1f4f46994164bcd450fb2c3d481afc25dd06"},
+    {file = "scipy-1.5.4-cp36-cp36m-win32.whl", hash = "sha256:e98d49a5717369d8241d6cf33ecb0ca72deee392414118198a8e5b4c35c56340"},
+    {file = "scipy-1.5.4-cp36-cp36m-win_amd64.whl", hash = "sha256:65923bc3809524e46fb7eb4d6346552cbb6a1ffc41be748535aa502a2e3d3389"},
+    {file = "scipy-1.5.4-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:9ad4fcddcbf5dc67619379782e6aeef41218a79e17979aaed01ed099876c0e62"},
+    {file = "scipy-1.5.4-cp37-cp37m-manylinux1_i686.whl", hash = "sha256:f87b39f4d69cf7d7529d7b1098cb712033b17ea7714aed831b95628f483fd012"},
+    {file = "scipy-1.5.4-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:25b241034215247481f53355e05f9e25462682b13bd9191359075682adcd9554"},
+    {file = "scipy-1.5.4-cp37-cp37m-manylinux2014_aarch64.whl", hash = "sha256:fa789583fc94a7689b45834453fec095245c7e69c58561dc159b5d5277057e4c"},
+    {file = "scipy-1.5.4-cp37-cp37m-win32.whl", hash = "sha256:d6d25c41a009e3c6b7e757338948d0076ee1dd1770d1c09ec131f11946883c54"},
+    {file = "scipy-1.5.4-cp37-cp37m-win_amd64.whl", hash = "sha256:2c872de0c69ed20fb1a9b9cf6f77298b04a26f0b8720a5457be08be254366c6e"},
+    {file = "scipy-1.5.4-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:e360cb2299028d0b0d0f65a5c5e51fc16a335f1603aa2357c25766c8dab56938"},
+    {file = "scipy-1.5.4-cp38-cp38-manylinux1_i686.whl", hash = "sha256:3397c129b479846d7eaa18f999369a24322d008fac0782e7828fa567358c36ce"},
+    {file = "scipy-1.5.4-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:168c45c0c32e23f613db7c9e4e780bc61982d71dcd406ead746c7c7c2f2004ce"},
+    {file = "scipy-1.5.4-cp38-cp38-manylinux2014_aarch64.whl", hash = "sha256:213bc59191da2f479984ad4ec39406bf949a99aba70e9237b916ce7547b6ef42"},
+    {file = "scipy-1.5.4-cp38-cp38-win32.whl", hash = "sha256:634568a3018bc16a83cda28d4f7aed0d803dd5618facb36e977e53b2df868443"},
+    {file = "scipy-1.5.4-cp38-cp38-win_amd64.whl", hash = "sha256:b03c4338d6d3d299e8ca494194c0ae4f611548da59e3c038813f1a43976cb437"},
+    {file = "scipy-1.5.4-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:3d5db5d815370c28d938cf9b0809dade4acf7aba57eaf7ef733bfedc9b2474c4"},
+    {file = "scipy-1.5.4-cp39-cp39-manylinux1_i686.whl", hash = "sha256:6b0ceb23560f46dd236a8ad4378fc40bad1783e997604ba845e131d6c680963e"},
+    {file = "scipy-1.5.4-cp39-cp39-manylinux1_x86_64.whl", hash = "sha256:ed572470af2438b526ea574ff8f05e7f39b44ac37f712105e57fc4d53a6fb660"},
+    {file = "scipy-1.5.4-cp39-cp39-manylinux2014_aarch64.whl", hash = "sha256:8c8d6ca19c8497344b810b0b0344f8375af5f6bb9c98bd42e33f747417ab3f57"},
+    {file = "scipy-1.5.4-cp39-cp39-win32.whl", hash = "sha256:d84cadd7d7998433334c99fa55bcba0d8b4aeff0edb123b2a1dfcface538e474"},
+    {file = "scipy-1.5.4-cp39-cp39-win_amd64.whl", hash = "sha256:cc1f78ebc982cd0602c9a7615d878396bec94908db67d4ecddca864d049112f2"},
+    {file = "scipy-1.5.4.tar.gz", hash = "sha256:4a453d5e5689de62e5d38edf40af3f17560bfd63c9c5bd228c18c1f99afa155b"},
 ]
 setoptconf = [
     {file = "setoptconf-0.2.0.tar.gz", hash = "sha256:5b0b5d8e0077713f5d5152d4f63be6f048d9a1bb66be15d089a11c898c3cf49c"},
@@ -1226,20 +1290,20 @@ six = [
     {file = "six-1.15.0.tar.gz", hash = "sha256:30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259"},
 ]
 snowballstemmer = [
-    {file = "snowballstemmer-2.0.0-py2.py3-none-any.whl", hash = "sha256:209f257d7533fdb3cb73bdbd24f436239ca3b2fa67d56f6ff88e86be08cc5ef0"},
-    {file = "snowballstemmer-2.0.0.tar.gz", hash = "sha256:df3bac3df4c2c01363f3dd2cfa78cce2840a79b9f1c2d2de9ce8d31683992f52"},
+    {file = "snowballstemmer-2.1.0-py2.py3-none-any.whl", hash = "sha256:b51b447bea85f9968c13b650126a888aabd4cb4463fca868ec596826325dedc2"},
+    {file = "snowballstemmer-2.1.0.tar.gz", hash = "sha256:e997baa4f2e9139951b6f4c631bad912dfd3c792467e2f03d7239464af90e914"},
 ]
 sphinx = [
-    {file = "Sphinx-3.2.1-py3-none-any.whl", hash = "sha256:ce6fd7ff5b215af39e2fcd44d4a321f6694b4530b6f2b2109b64d120773faea0"},
-    {file = "Sphinx-3.2.1.tar.gz", hash = "sha256:321d6d9b16fa381a5306e5a0b76cd48ffbc588e6340059a729c6fdd66087e0e8"},
+    {file = "Sphinx-3.5.1-py3-none-any.whl", hash = "sha256:e90161222e4d80ce5fc811ace7c6787a226b4f5951545f7f42acf97277bfc35c"},
+    {file = "Sphinx-3.5.1.tar.gz", hash = "sha256:11d521e787d9372c289472513d807277caafb1684b33eb4f08f7574c405893a9"},
 ]
 sphinx-autoapi = [
-    {file = "sphinx-autoapi-1.5.0.tar.gz", hash = "sha256:95ffb69e7618284d84d4947a1cd386c1829e43e0648e80d6fc669737813609c3"},
-    {file = "sphinx_autoapi-1.5.0-py2.py3-none-any.whl", hash = "sha256:8a32c6cc26ed0bc0c15c37bce1da9f745f0765741a302e918e9c91775ae69b04"},
+    {file = "sphinx-autoapi-1.7.0.tar.gz", hash = "sha256:48caa054a99c21156e9a1d26559281dc27f86ab8ef8bb6ef160f8cd9f4a0053d"},
+    {file = "sphinx_autoapi-1.7.0-py2.py3-none-any.whl", hash = "sha256:cb0245fc989fa1ec7cb4ddd8a41ff2cc8b0e8a9d12f4c366ad0eac059eb81c2c"},
 ]
 sphinx-rtd-theme = [
-    {file = "sphinx_rtd_theme-0.5.0-py2.py3-none-any.whl", hash = "sha256:373413d0f82425aaa28fb288009bf0d0964711d347763af2f1b65cafcb028c82"},
-    {file = "sphinx_rtd_theme-0.5.0.tar.gz", hash = "sha256:22c795ba2832a169ca301cd0a083f7a434e09c538c70beb42782c073651b707d"},
+    {file = "sphinx_rtd_theme-0.5.1-py2.py3-none-any.whl", hash = "sha256:fa6bebd5ab9a73da8e102509a86f3fcc36dec04a0b52ea80e5a033b2aba00113"},
+    {file = "sphinx_rtd_theme-0.5.1.tar.gz", hash = "sha256:eda689eda0c7301a80cf122dad28b1861e5605cbf455558f3775e1e8200e83a5"},
 ]
 sphinxcontrib-applehelp = [
     {file = "sphinxcontrib-applehelp-1.0.2.tar.gz", hash = "sha256:a072735ec80e7675e3f432fcae8610ecf509c5f1869d17e2eecff44389cdbc58"},
@@ -1266,31 +1330,40 @@ sphinxcontrib-serializinghtml = [
     {file = "sphinxcontrib_serializinghtml-1.1.4-py2.py3-none-any.whl", hash = "sha256:f242a81d423f59617a8e5cf16f5d4d74e28ee9a66f9e5b637a18082991db5a9a"},
 ]
 toml = [
-    {file = "toml-0.10.1-py2.py3-none-any.whl", hash = "sha256:bda89d5935c2eac546d648028b9901107a595863cb36bae0c73ac804a9b4ce88"},
-    {file = "toml-0.10.1.tar.gz", hash = "sha256:926b612be1e5ce0634a2ca03470f95169cf16f939018233a670519cb4ac58b0f"},
+    {file = "toml-0.10.2-py2.py3-none-any.whl", hash = "sha256:806143ae5bfb6a3c6e736a764057db0e6a0e05e338b5630894a5f779cabb4f9b"},
+    {file = "toml-0.10.2.tar.gz", hash = "sha256:b3bda1d108d5dd99f4a20d24d9c348e91c4db7ab1b749200bded2f839ccbe68f"},
 ]
 typed-ast = [
-    {file = "typed_ast-1.4.1-cp35-cp35m-manylinux1_i686.whl", hash = "sha256:73d785a950fc82dd2a25897d525d003f6378d1cb23ab305578394694202a58c3"},
-    {file = "typed_ast-1.4.1-cp35-cp35m-manylinux1_x86_64.whl", hash = "sha256:aaee9905aee35ba5905cfb3c62f3e83b3bec7b39413f0a7f19be4e547ea01ebb"},
-    {file = "typed_ast-1.4.1-cp35-cp35m-win32.whl", hash = "sha256:0c2c07682d61a629b68433afb159376e24e5b2fd4641d35424e462169c0a7919"},
-    {file = "typed_ast-1.4.1-cp35-cp35m-win_amd64.whl", hash = "sha256:4083861b0aa07990b619bd7ddc365eb7fa4b817e99cf5f8d9cf21a42780f6e01"},
-    {file = "typed_ast-1.4.1-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:269151951236b0f9a6f04015a9004084a5ab0d5f19b57de779f908621e7d8b75"},
-    {file = "typed_ast-1.4.1-cp36-cp36m-manylinux1_i686.whl", hash = "sha256:24995c843eb0ad11a4527b026b4dde3da70e1f2d8806c99b7b4a7cf491612652"},
-    {file = "typed_ast-1.4.1-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:fe460b922ec15dd205595c9b5b99e2f056fd98ae8f9f56b888e7a17dc2b757e7"},
-    {file = "typed_ast-1.4.1-cp36-cp36m-win32.whl", hash = "sha256:4e3e5da80ccbebfff202a67bf900d081906c358ccc3d5e3c8aea42fdfdfd51c1"},
-    {file = "typed_ast-1.4.1-cp36-cp36m-win_amd64.whl", hash = "sha256:249862707802d40f7f29f6e1aad8d84b5aa9e44552d2cc17384b209f091276aa"},
-    {file = "typed_ast-1.4.1-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:8ce678dbaf790dbdb3eba24056d5364fb45944f33553dd5869b7580cdbb83614"},
-    {file = "typed_ast-1.4.1-cp37-cp37m-manylinux1_i686.whl", hash = "sha256:c9e348e02e4d2b4a8b2eedb48210430658df6951fa484e59de33ff773fbd4b41"},
-    {file = "typed_ast-1.4.1-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:bcd3b13b56ea479b3650b82cabd6b5343a625b0ced5429e4ccad28a8973f301b"},
-    {file = "typed_ast-1.4.1-cp37-cp37m-win32.whl", hash = "sha256:d5d33e9e7af3b34a40dc05f498939f0ebf187f07c385fd58d591c533ad8562fe"},
-    {file = "typed_ast-1.4.1-cp37-cp37m-win_amd64.whl", hash = "sha256:0666aa36131496aed8f7be0410ff974562ab7eeac11ef351def9ea6fa28f6355"},
-    {file = "typed_ast-1.4.1-cp38-cp38-macosx_10_15_x86_64.whl", hash = "sha256:d205b1b46085271b4e15f670058ce182bd1199e56b317bf2ec004b6a44f911f6"},
-    {file = "typed_ast-1.4.1-cp38-cp38-manylinux1_i686.whl", hash = "sha256:6daac9731f172c2a22ade6ed0c00197ee7cc1221aa84cfdf9c31defeb059a907"},
-    {file = "typed_ast-1.4.1-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:498b0f36cc7054c1fead3d7fc59d2150f4d5c6c56ba7fb150c013fbc683a8d2d"},
-    {file = "typed_ast-1.4.1-cp38-cp38-win32.whl", hash = "sha256:715ff2f2df46121071622063fc7543d9b1fd19ebfc4f5c8895af64a77a8c852c"},
-    {file = "typed_ast-1.4.1-cp38-cp38-win_amd64.whl", hash = "sha256:fc0fea399acb12edbf8a628ba8d2312f583bdbdb3335635db062fa98cf71fca4"},
-    {file = "typed_ast-1.4.1-cp39-cp39-macosx_10_15_x86_64.whl", hash = "sha256:d43943ef777f9a1c42bf4e552ba23ac77a6351de620aa9acf64ad54933ad4d34"},
-    {file = "typed_ast-1.4.1.tar.gz", hash = "sha256:8c8aaad94455178e3187ab22c8b01a3837f8ee50e09cf31f1ba129eb293ec30b"},
+    {file = "typed_ast-1.4.2-cp35-cp35m-manylinux1_i686.whl", hash = "sha256:7703620125e4fb79b64aa52427ec192822e9f45d37d4b6625ab37ef403e1df70"},
+    {file = "typed_ast-1.4.2-cp35-cp35m-manylinux1_x86_64.whl", hash = "sha256:c9aadc4924d4b5799112837b226160428524a9a45f830e0d0f184b19e4090487"},
+    {file = "typed_ast-1.4.2-cp35-cp35m-manylinux2014_aarch64.whl", hash = "sha256:9ec45db0c766f196ae629e509f059ff05fc3148f9ffd28f3cfe75d4afb485412"},
+    {file = "typed_ast-1.4.2-cp35-cp35m-win32.whl", hash = "sha256:85f95aa97a35bdb2f2f7d10ec5bbdac0aeb9dafdaf88e17492da0504de2e6400"},
+    {file = "typed_ast-1.4.2-cp35-cp35m-win_amd64.whl", hash = "sha256:9044ef2df88d7f33692ae3f18d3be63dec69c4fb1b5a4a9ac950f9b4ba571606"},
+    {file = "typed_ast-1.4.2-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:c1c876fd795b36126f773db9cbb393f19808edd2637e00fd6caba0e25f2c7b64"},
+    {file = "typed_ast-1.4.2-cp36-cp36m-manylinux1_i686.whl", hash = "sha256:5dcfc2e264bd8a1db8b11a892bd1647154ce03eeba94b461effe68790d8b8e07"},
+    {file = "typed_ast-1.4.2-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:8db0e856712f79c45956da0c9a40ca4246abc3485ae0d7ecc86a20f5e4c09abc"},
+    {file = "typed_ast-1.4.2-cp36-cp36m-manylinux2014_aarch64.whl", hash = "sha256:d003156bb6a59cda9050e983441b7fa2487f7800d76bdc065566b7d728b4581a"},
+    {file = "typed_ast-1.4.2-cp36-cp36m-win32.whl", hash = "sha256:4c790331247081ea7c632a76d5b2a265e6d325ecd3179d06e9cf8d46d90dd151"},
+    {file = "typed_ast-1.4.2-cp36-cp36m-win_amd64.whl", hash = "sha256:d175297e9533d8d37437abc14e8a83cbc68af93cc9c1c59c2c292ec59a0697a3"},
+    {file = "typed_ast-1.4.2-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:cf54cfa843f297991b7388c281cb3855d911137223c6b6d2dd82a47ae5125a41"},
+    {file = "typed_ast-1.4.2-cp37-cp37m-manylinux1_i686.whl", hash = "sha256:b4fcdcfa302538f70929eb7b392f536a237cbe2ed9cba88e3bf5027b39f5f77f"},
+    {file = "typed_ast-1.4.2-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:987f15737aba2ab5f3928c617ccf1ce412e2e321c77ab16ca5a293e7bbffd581"},
+    {file = "typed_ast-1.4.2-cp37-cp37m-manylinux2014_aarch64.whl", hash = "sha256:37f48d46d733d57cc70fd5f30572d11ab8ed92da6e6b28e024e4a3edfb456e37"},
+    {file = "typed_ast-1.4.2-cp37-cp37m-win32.whl", hash = "sha256:36d829b31ab67d6fcb30e185ec996e1f72b892255a745d3a82138c97d21ed1cd"},
+    {file = "typed_ast-1.4.2-cp37-cp37m-win_amd64.whl", hash = "sha256:8368f83e93c7156ccd40e49a783a6a6850ca25b556c0fa0240ed0f659d2fe496"},
+    {file = "typed_ast-1.4.2-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:963c80b583b0661918718b095e02303d8078950b26cc00b5e5ea9ababe0de1fc"},
+    {file = "typed_ast-1.4.2-cp38-cp38-manylinux1_i686.whl", hash = "sha256:e683e409e5c45d5c9082dc1daf13f6374300806240719f95dc783d1fc942af10"},
+    {file = "typed_ast-1.4.2-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:84aa6223d71012c68d577c83f4e7db50d11d6b1399a9c779046d75e24bed74ea"},
+    {file = "typed_ast-1.4.2-cp38-cp38-manylinux2014_aarch64.whl", hash = "sha256:a38878a223bdd37c9709d07cd357bb79f4c760b29210e14ad0fb395294583787"},
+    {file = "typed_ast-1.4.2-cp38-cp38-win32.whl", hash = "sha256:a2c927c49f2029291fbabd673d51a2180038f8cd5a5b2f290f78c4516be48be2"},
+    {file = "typed_ast-1.4.2-cp38-cp38-win_amd64.whl", hash = "sha256:c0c74e5579af4b977c8b932f40a5464764b2f86681327410aa028a22d2f54937"},
+    {file = "typed_ast-1.4.2-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:07d49388d5bf7e863f7fa2f124b1b1d89d8aa0e2f7812faff0a5658c01c59aa1"},
+    {file = "typed_ast-1.4.2-cp39-cp39-manylinux1_i686.whl", hash = "sha256:240296b27397e4e37874abb1df2a608a92df85cf3e2a04d0d4d61055c8305ba6"},
+    {file = "typed_ast-1.4.2-cp39-cp39-manylinux1_x86_64.whl", hash = "sha256:d746a437cdbca200622385305aedd9aef68e8a645e385cc483bdc5e488f07166"},
+    {file = "typed_ast-1.4.2-cp39-cp39-manylinux2014_aarch64.whl", hash = "sha256:14bf1522cdee369e8f5581238edac09150c765ec1cb33615855889cf33dcb92d"},
+    {file = "typed_ast-1.4.2-cp39-cp39-win32.whl", hash = "sha256:cc7b98bf58167b7f2db91a4327da24fb93368838eb84a44c472283778fc2446b"},
+    {file = "typed_ast-1.4.2-cp39-cp39-win_amd64.whl", hash = "sha256:7147e2a76c75f0f64c4319886e7639e490fee87c9d25cb1d4faef1d8cf83a440"},
+    {file = "typed_ast-1.4.2.tar.gz", hash = "sha256:9fc0b3cb5d1720e7141d103cf4819aea239f7d136acf9ee4a69b047b7986175a"},
 ]
 typing-extensions = [
     {file = "typing_extensions-3.7.4.3-py2-none-any.whl", hash = "sha256:dafc7639cde7f1b6e1acc0f457842a83e722ccca8eef5270af2d74792619a89f"},
@@ -1298,16 +1371,16 @@ typing-extensions = [
     {file = "typing_extensions-3.7.4.3.tar.gz", hash = "sha256:99d4073b617d30288f569d3f13d2bd7548c3a7e4c8de87db09a9d29bb3a4a60c"},
 ]
 unidecode = [
-    {file = "Unidecode-1.1.1-py2.py3-none-any.whl", hash = "sha256:1d7a042116536098d05d599ef2b8616759f02985c85b4fef50c78a5aaf10822a"},
-    {file = "Unidecode-1.1.1.tar.gz", hash = "sha256:2b6aab710c2a1647e928e36d69c21e76b453cd455f4e2621000e54b2a9b8cce8"},
+    {file = "Unidecode-1.2.0-py2.py3-none-any.whl", hash = "sha256:12435ef2fc4cdfd9cf1035a1db7e98b6b047fe591892e81f34e94959591fad00"},
+    {file = "Unidecode-1.2.0.tar.gz", hash = "sha256:8d73a97d387a956922344f6b74243c2c6771594659778744b2dbdaad8f6b727d"},
 ]
 urllib3 = [
-    {file = "urllib3-1.25.10-py2.py3-none-any.whl", hash = "sha256:e7983572181f5e1522d9c98453462384ee92a0be7fac5f1413a1e35c56cc0461"},
-    {file = "urllib3-1.25.10.tar.gz", hash = "sha256:91056c15fa70756691db97756772bb1eb9678fa585d9184f24534b100dc60f4a"},
+    {file = "urllib3-1.26.3-py2.py3-none-any.whl", hash = "sha256:1b465e494e3e0d8939b50680403e3aedaa2bc434b7d5af64dfd3c958d7f5ae80"},
+    {file = "urllib3-1.26.3.tar.gz", hash = "sha256:de3eedaad74a2683334e282005cd8d7f22f4d55fa690a2a1020a416cb0a47e73"},
 ]
 vulture = [
-    {file = "vulture-2.1-py2.py3-none-any.whl", hash = "sha256:f4b3a422a6cb0285ec9df0ed46241a8577fa53ec3c43f8c70bd2a4d708c95377"},
-    {file = "vulture-2.1.tar.gz", hash = "sha256:933bf7f3848e9e39ecab6a12faa59d5185471c887534abac13baea6fe8138cc2"},
+    {file = "vulture-2.3-py2.py3-none-any.whl", hash = "sha256:f39de5e6f1df1f70c3b50da54f1c8d494159e9ca3d01a9b89eac929600591703"},
+    {file = "vulture-2.3.tar.gz", hash = "sha256:03d5a62bcbe9ceb9a9b0575f42d71a2d414070229f2e6f95fa6e7c71aaaed967"},
 ]
 wrapt = [
     {file = "wrapt-1.12.1.tar.gz", hash = "sha256:b62ffa81fb85f4332a4f609cab4ac40709470da05643a082ec1eb88e6d9b97d7"},
@@ -1317,6 +1390,6 @@ yapf = [
     {file = "yapf-0.30.0.tar.gz", hash = "sha256:3000abee4c28daebad55da6c85f3cd07b8062ce48e2e9943c8da1b9667d48427"},
 ]
 zipp = [
-    {file = "zipp-3.2.0-py3-none-any.whl", hash = "sha256:43f4fa8d8bb313e65d8323a3952ef8756bf40f9a5c3ea7334be23ee4ec8278b6"},
-    {file = "zipp-3.2.0.tar.gz", hash = "sha256:b52f22895f4cfce194bc8172f3819ee8de7540aa6d873535a8668b730b8b411f"},
+    {file = "zipp-3.4.0-py3-none-any.whl", hash = "sha256:102c24ef8f171fd729d46599845e95c7ab894a4cf45f5de11a44cc7444fb1108"},
+    {file = "zipp-3.4.0.tar.gz", hash = "sha256:ed5eee1974372595f9e416cc7bbeeb12335201d8081ca8a0743c954d4446e5cb"},
 ]
diff --git a/pyproject.toml b/pyproject.toml
index 9fa18b8906a14e51b8c28a05dc1a5e041d949cb5..3db3f8c8f0a01eab9c44aae1ad77a53337924108 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ keywords = [
 ]
 
 classifiers = [
-    "Development Status :: 2 - Pre-Alpha",
+    "Development Status :: 3 - Alpha",
     "Environment :: Console",
     "Intended Audience :: Science/Research",
     "Topic :: Scientific/Engineering :: Chemistry",
@@ -28,16 +28,14 @@ pycgtool = "pycgtool.__main__:main"
 [tool.poetry.dependencies]
 python = "^3.6"
 wheel = "^0.35.1"
-numpy = "^1.19.1"
+numpy = [
+    { version = "^1.19.1", python = "<3.7" },  # Support for Python 3.6 was dropped in 1.20
+    { version = "^1.20.0", python = ">=3.7" }  # But 1.20 should resolve issue with MDTraj on macOS
+]
 cython = "^0.29.21"
-mdtraj = "^1.9.4"
+mdtraj = "^1.9.5"
 rich = "^9.2.0"
 
-# Optional extras to enable additional functionality
-sphinx-autoapi = { version = "^1.5.0", optional = true }
-sphinx-rtd-theme = { version = "^0.5.0", optional = true }
-sphinx = { version = "^3.2.1", optional = true }
-
 [tool.poetry.dev-dependencies]
 prospector = "^1.3.0"
 pytest = "^6.0.1"
@@ -45,10 +43,10 @@ pytest-cov = "^2.10.1"
 yapf = "^0.30.0"
 vulture = "^2.1"
 rstcheck = "^3.3.1"
-
-[tool.poetry.extras]
-docs = ["sphinx", "sphinx-autoapi", "sphinx-rtd-theme"]
-test = ["pytest", "pytest-cov", "prospector", "flake8"]
+flake8 = "^3.8.4"
+Sphinx = "^3.4.3"
+sphinx-autoapi = "^1.5.1"
+sphinx-rtd-theme = "^0.5.1"
 
 [build-system]
 requires = ["poetry>=0.12"]