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Title: Narrow for type expr comparisons to type exprs by hauntsaninja · Pull Request #20639 · python/mypy · GitHub

Open Graph Title: Narrow for type expr comparisons to type exprs by hauntsaninja · Pull Request #20639 · python/mypy

X Title: Narrow for type expr comparisons to type exprs by hauntsaninja · Pull Request #20639 · python/mypy

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

Open Graph Description: I refactored the logic for type(x) narrowing in #20634 , but left this piece out since it has material semantic impact Fixes #11952 Fixes #20275

X Description: I refactored the logic for type(x) narrowing in #20634 , but left this piece out since it has material semantic impact Fixes #11952 Fixes #20275

Opengraph URL: https://github.com/python/mypy/pull/20639

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Using type(other) is type(self) only works when revealing types https://github.com/python/mypy/issues/20275
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