When Jupyter-Collaboration is installed, I get a warning when I open a text notebook with e.g. a .py extension, both in the editor and in the notebook view:
Warning
The file notebook.py has been opened with two different views. This is not supported. Please close this view; otherwise, some of your edits may not be saved properly.
When Jupyter-Collaboration is installed, I get a warning when I open a text notebook with e.g. a
.pyextension, both in the editor and in the notebook view: