Squashed 'emacs.d/vendor/python-mode/' content from commit 0b13019

git-subtree-dir: emacs.d/vendor/python-mode
git-subtree-split: 0b13019f11d0d0a7d9d651e776e7057cddc46bd2
Merge commit 'a8e74f92175c32d954d5ecb942cafa50efe7fc56' as 'emacs.d/vendor/python-mode'
update