mypyc progress

[pgjones]

At the current time the events.py and frame_protocol.py files cannot be mypyc compiled. The former is probably due to Generic dataclasses and the latter is probably related to mypyc/mypyc#721 - also note that iterating over NamedTuples fail but can be coded without the for.

Without the frame_protocol.py the benchmark doesn't change, so no point producing wheels as yet.

See also psf/black@e7b9671

[Kriechi]

mypyc looks abandoned, with last commits 3 years ago - is this issue here still relevant or can we close it?

[pgjones]

It was merged into the mypy codebase and looks fairly active. I'll try take a new look at this soon