Was wondering your thoughts on adding types directly to this project to support mypy and similar tools.

Otherwise, would you be okay with me (or someone else) adding types for this package to the python/typeshed?

related: https://www.python.org/dev/peps/pep-0561/
related: https://www.python.org/dev/peps/pep-0484/