New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

no error when `TypeVar` with explicit variance is used in the wrong position when it's part of a union #17910

Open

DetachHead opened this issue Oct 10, 2024 · 0 comments

Labels

bug

Contributor

DetachHead commented Oct 10, 2024

from typing import Generic, TypeVar

T = TypeVar("T", covariant=True)

class Foo(Generic[T]):
    def b(self, value: T | int) -> None: ... # no error

DetachHead added the bug label

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment