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input type for lambda with union of `Callable`s is inferred as `Any` #11423

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DetachHead opened this issue Nov 1, 2021 · 0 comments

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bug

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DetachHead commented Nov 1, 2021

from typing import Callable


def foo(fn: Callable[[int, str], None] | Callable[[int], None]) -> None:
    ...


foo(lambda value: reveal_type(value)) #revealed type is Any

https://mypy-play.net/?mypy=latest&python=3.10&gist=d73f588945031c9fb8192dcf83c030fa

DetachHead added the bug label

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