Python
Automatic Sourcecode Formatting
All Python code should be formatted using automatic sourcecode formatting. For this, the tool black have to be used.
Docstrings
Python docstrings should be formatted as Google Style Python Docstrings, see https://google.github.io/styleguide/pyguide.html#38-comments-and-docstrings and especially https://www.sphinx-doc.org/en/master/usage/extensions/example_google.html