Should mention this also affects Protocol[Buzz] On Fri, Jun 30, 2023, 5:35 PM Joseph Garvin <k04j...@gmail.com> wrote:
> ``` > from __future__ import annotations > from typing import Generic, TypeVar > > T = TypeVar("T") > class Foo(Generic[T]): ... > class Bar(Foo[Buzz]): ... # NameError here > class Buzz: ... > ``` > > This will error, despite the __future__ import, because cpython is trying > to look up Buzz before it's defined, even though we have supposedly > prevented annotations from being processed. I realize that Class[Args] is > allowed in that area in general and isn't always type annotation related, > but does this mean that even with PEP 649 that forward references will > still be needed? > -- https://mail.python.org/mailman/listinfo/python-list