For context, if others aren't familiar: type hinting generics were added to Python 3.9 by PEP 585 (also available in Python 3.7+ with the annotations future import). PEP 484 previously added type hints to Python 3.5 as explicit imports from the stdlib's typing module.https://peps.python.org/pep-0585/
https://peps.python.org/pep-0484/
tyingq|2 years ago
https://bugs.python.org/issue45117
sco1|2 years ago