From [1]:
> Homebrew generally won't accept libraries that can be installed correctly with `pip install foo`.
[1]: https://github.com/Homebrew/homebrew/blob/master/share/doc/h...
[0]: https://github.com/Homebrew/homebrew/blob/master/Library/For...
> Homebrew is happy to accept applications that are built in Python, whether the apps are available from PyPI or not.
[0]: https://github.com/Homebrew/homebrew/blob/master/Library/For...