mypy recognizes Config.config_file_name as Union[str, bytes, PathLike[str], PathLike[bytes], int]

[georgegarrington]

I came across this issue when running mypy on the alembic/env.py file, using mypy 0.971 and alembic 1.8.1. The docs say Config.config_file_name is Optional[str]: https://alembic.sqlalchemy.org/en/latest/api/config.html#:~:text=Filesystem%20path%20to%20the%20.ini%20file%20in%20use. It looks to me this could be from the standard library mypy stubs updating the type of filepath to Union[str, bytes, PathLike[str], PathLike[bytes], int]

[CaselIT]

Hi,

this seems to be for alembic.
edit: moved