VIM defaults for Python are mostly fine, editor-config should fill in
the gaps, and when all else fails reformatting with `black` will fix it.

    git ls-files | xargs sed -i -e '/vim:/d'
    git ls-files | xargs sed -i -e '${/^ *$/d}'
    git ls-files | xargs sed -i -e '${/^# *$/d}'