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Request: opt-in rule preventing duplicate error codes #16885

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jamesbraza opened this issue Feb 6, 2024 · 0 comments
Open

Request: opt-in rule preventing duplicate error codes #16885

jamesbraza opened this issue Feb 6, 2024 · 0 comments
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feature priority-2-low topic-type-ignore # type: ignore comments

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@jamesbraza
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Feature

If one specifies an error code twice, mypy allows it:

foo = 1
foo = "hi"  # type: ignore[assignment,assignment]

Pitch

Can we add an opt-in rule to have mypy disallow duplicate error codes?
@jamesbraza jamesbraza changed the title Opt-in rule preventing duplicate error codes Request: opt-in rule preventing duplicate error codes Feb 6, 2024
@AlexWaygood AlexWaygood added the topic-type-ignore # type: ignore comments label Feb 6, 2024
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@jamesbraza @hauntsaninja @AlexWaygood