Update usePythonInRStudio.md

howTo/usePythonInRStudio.md

@@ -15,3 +15,5 @@ On a mac:
  * you may have to do this twice for it to work
 
  If you open a .py file and try to run it, RStudio will want to install [reticulate](https://rstudio.github.io/reticulate/) which is R's interface to Python (apparently).
+
+it's all getting a bit serpentine...