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Title: Fix narrowing with chained comparison by hauntsaninja · Pull Request #21150 · python/mypy · GitHub

Open Graph Title: Fix narrowing with chained comparison by hauntsaninja · Pull Request #21150 · python/mypy

X Title: Fix narrowing with chained comparison by hauntsaninja · Pull Request #21150 · python/mypy

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

Open Graph Description: Fixes #21149 (the regression part of it, still working on the bad behaviour present in previous mypy versions)

X Description: Fixes #21149 (the regression part of it, still working on the bad behaviour present in previous mypy versions)

Opengraph URL: https://github.com/python/mypy/pull/21150

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Fix narrowing with chained comparison (https://github.com/python/mypy/commit/de50419dc84a66f0e8606308023f81a44dee54f3
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chore(deps): update dependency mypy to v1.20.1 (r2026)https://github.com/Intersec/lib-common/commit/aa6c7f527eb61cf06d0b2dc89ceeb0625e56c829
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[1.20 regression] loss of type inference of chained-comparison operands https://github.com/python/mypy/issues/21149
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