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Title: Fix narrowing related code for types with overloaded __new__ by hauntsaninja · Pull Request #20676 · python/mypy · GitHub

Open Graph Title: Fix narrowing related code for types with overloaded __new__ by hauntsaninja · Pull Request #20676 · python/mypy

X Title: Fix narrowing related code for types with overloaded __new__ by hauntsaninja · Pull Request #20676 · python/mypy

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

Open Graph Description: I introduced some more instances of #12320 Noticed while analysing #20674

X Description: I introduced some more instances of #12320 Noticed while analysing #20674

Opengraph URL: https://github.com/python/mypy/pull/20676

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Jan 29, 2026https://github.com/python/mypy/pull/20676#issue-3868162849
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Fix some narrowing related object for types with overloaded __new__https://github.com/python/mypy/pull/20676/commits/1b58fcdc9d45b116dcdd6849468ed618a8bf834b
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Better narrowing #20564 https://github.com/python/mypy/issues/20564
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