diff --git a/AmpScan/AmpScanGUI.py b/AmpScan/AmpScanGUI.py
index dfa1a86a5fe7071794075cc032201b095d2191a6..26b93fca5f817e1797e9b21d3e8aacff4db6d5b7 100644
--- a/AmpScan/AmpScanGUI.py
+++ b/AmpScan/AmpScanGUI.py
@@ -146,10 +146,9 @@ class AmpScanGUI(QMainWindow):
         self.analyseMenu.addAction(self.analyse)
         self.kineticMenu = self.menuBar().addMenu("&Kinetic Measurements")
         self.kineticMenu.addAction(self.openPress)
-        
-def runAmpScanGUI():        
-#    if __name__ == "__main__":
-        app = QApplication(sys.argv)
-        mainWin = AmpScanGUI()
-        mainWin.show()
-        sys.exit(app.exec_())
\ No newline at end of file
+           
+if __name__ == "__main__":
+    app = QApplication(sys.argv)
+    mainWin = AmpScanGUI()
+    mainWin.show()
+    sys.exit(app.exec_())
\ No newline at end of file
diff --git a/AmpScan/ampVis.py b/AmpScan/ampVis.py
index b156020dd6b2d7c67cbee05c630ae39735f7956c..de5d82fc07cd83f5466cc0691139a51699b9a076 100644
--- a/AmpScan/ampVis.py
+++ b/AmpScan/ampVis.py
@@ -90,7 +90,7 @@ class ampVTK(object):
         self.axes[viewport].SetBounds(tuple(lim.max(axis=0)))
         self.axes[viewport].SetCamera(self.cams[viewport])
         self.axes[viewport].SetFlyModeToClosestTriad()
-        for axes in xrange(3):
+        for axes in range(3):
             self.axes[viewport].GetTitleTextProperty(axes).SetColor(color)
             self.axes[viewport].GetLabelTextProperty(axes).SetColor(color)
             self.axes[viewport].GetTitleTextProperty(axes).SetFontFamilyToCourier()
@@ -134,7 +134,7 @@ class qtVtkWindow(QVTKRenderWindowInteractor, ampVTK):
                 self.GetRenderWindow().RemoveRenderer(ren)
             self.rens = self.rens[:n]
         elif dif > 0:
-            for i in xrange(dif):
+            for i in range(dif):
                 self.rens.append(vtkRender())
                 self.axes.append(vtk.vtkCubeAxesActor())
                 self.GetRenderWindow().AddRenderer(self.rens[-1])
@@ -174,7 +174,7 @@ class vtkRenWin(vtk.vtkRenderWindow, ampVTK):
                 self.RemoveRenderer(ren)
             self.rens = self.rens[:n]
         elif dif > 0:
-            for i in xrange(dif):
+            for i in range(dif):
                 self.rens.append(vtkRender())
                 self.axes.append(vtk.vtkCubeAxesActor())
                 self.AddRenderer(self.rens[-1])
@@ -295,7 +295,7 @@ class visMixin(object):
             self.lut = vtk.vtkLookupTable()
             self.lut.SetNumberOfTableValues(bands)
             self.lut.Build()
-            for i in xrange(bands):
+            for i in range(bands):
                 rgb = list(self.ctf.GetColor(float(i) / bands)) + [1]
                 self.lut.SetTableValue(i, rgb)
         
diff --git a/AmpScan/core.py b/AmpScan/core.py
index 2ac875cc4e0288487622857e7459d65adcbc7856..640a791a43e5cfc5d234c5a7aaf130499396be83 100644
--- a/AmpScan/core.py
+++ b/AmpScan/core.py
@@ -10,17 +10,6 @@ Remove pd dependency and instead just use numpy arrays
 
 Requires numpy 1.13
 
-import os
-path = (r'J:\\Shared Resources\\AmpScan IfLS Team\\'
-        '100 PYTHON\\STLReader')
-path = r'\\filestore.soton.ac.uk\SharedResources\AmpScan IfLS Team\100 PYTHON\STLReader'
-path = (r'C:\Users\js22g12\OneDrive - University of Southampton\Documents ' 
-        r'(OneDrive)\AmpScan\Code\2017_09\02_Code\AmpScan')
-path = (r'C:\Users\Josh\OneDrive - University of Southampton\Documents '
-        r'(OneDrive)\AmpScan\Code\2017_09\02_Code\AmpScan')
-filename = '01_PhantomShell_ICEM_3mm.stl'
-filename2 = '01_PhantomShell_ICEM_3mm_write.stl'
-os.chdir(path)
 
 AmpObject
     Read
@@ -75,7 +64,7 @@ class AmpObject(alignMixin, trimMixin, smoothMixin, analyseMixin,
 
     
     def addData(self, Data, stype):
-        if isinstance(Data, basestring):
+        if isinstance(Data, str):
             self.stype.append(stype)
             self.read_stl(Data, stype)
             # Import stl as filename
diff --git a/AmpScan/fe.py b/AmpScan/fe.py
index 32306dd2e3853879c3fda8cd49a766850641b0ca..2cd4b961fb0cc0ed7626bdd9def9c6125e3710aa 100644
--- a/AmpScan/fe.py
+++ b/AmpScan/fe.py
@@ -11,7 +11,7 @@ class feMixin(object):
     
     def addFE(self, files):
         if len(files) == 1:
-            data = np.load(files[0]).item()
+            data = np.load(files[0], encoding='bytes').item()
         if len(files) == 3:
             data = {}
             names = ['vert', 'faces', 'values']