Doesn't look like dateutil wants to remove support for Python 2.7 so we might be stuck with six for a while, right?

Which areas could do with some more end-user testing?

This brings back so many memories!

If you depend on setuptools behaviour e.g. building of cython modules, then it becomes a pain to move away from setup.py. So more of an indirect issue

Programmatic types!!!1 🙏