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<TypedDict> |= {} fails with unsupported-operator #2043

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astral-sh/ruff
#22540
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<TypedDict> |= {} fails with unsupported-operator#2043
astral-sh/ruff
#22540
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ibraheemdev
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bidirectional inferenceInference of types that takes into account the context of a declared type or expected typebugSomething isn't working
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@zanieb

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@zanieb
zanieb
opened on Dec 17, 2025

https://play.ty.dev/3c2f6220-f3ad-48ed-b960-d80d9d611de2

from typing_extensions import TypedDict

class ModelSettings(TypedDict):
    pass

base = ModelSettings()
overrides = ModelSettings()
base |= overrides # ok
base |= {} # error

Briefly discussed in the dev channel

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