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Fix ParamSpec inference for callback protocols #15986

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merged 2 commits into from Aug 30, 2023

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@ilevkivskyi ilevkivskyi commented Aug 29, 2023

Fixes #15984

Fix is straightforward, ParamSpec inference special-casing should put instances with __call__ and callable types on same ground.

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According to mypy_primer, this change doesn't affect type check results on a corpus of open source code. ✅

@hauntsaninja hauntsaninja merged commit 0ae0c75 into python:master Aug 30, 2023
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@ilevkivskyi ilevkivskyi deleted the fix-paramspec-inference branch August 30, 2023 12:27
koogoro pushed a commit that referenced this pull request Sep 2, 2023
Fixes #15984

Fix is straightforward, `ParamSpec` inference special-casing should put
instances with `__call__` and callable types on same ground.
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ParamSpec doesn't handle out-of-order kwargs for callable protocol
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