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Title: fix: do not narrow expression type to TypeVar on equality comparison by ordinary9843 · Pull Request #21209 · python/mypy · GitHub

Open Graph Title: fix: do not narrow expression type to TypeVar on equality comparison by ordinary9843 · Pull Request #21209 · python/mypy

X Title: fix: do not narrow expression type to TypeVar on equality comparison by ordinary9843 · Pull Request #21209 · python/mypy

Description: Optional static typing for Python. Contribute to python/mypy development by creating an account on GitHub.

Open Graph Description: When a variable is compared with == against a TypeVar operand, mypy was narrowing the left-hand variable to the TypeVar type. This caused false errors on subsequent operations — for example, x: int...

X Description: When a variable is compared with == against a TypeVar operand, mypy was narrowing the left-hand variable to the TypeVar type. This caused false errors on subsequent operations — for example, x: int...

Opengraph URL: https://github.com/python/mypy/pull/21209

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