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Issues list

Automatically detect when uv is being used feature topic-usability
#18971 opened Apr 26, 2025 by godalming123
5
Unused function arguments marked with underscore _ are required to have type annotation feature topic-usability
#18911 opened Apr 11, 2025 by pktiuk
1
[regression] no type checking beyond perceived isinstance guard failure bug mypy got something wrong topic-reachability Detecting unreachable code topic-usability
#18329 opened Dec 23, 2024 by yonilerner
1
3
Cryptic error message for two generic callables with different variable binding bug mypy got something wrong topic-type-variables topic-usability
#17551 opened Jul 21, 2024 by lemon24
2
Detect if shell is in activated virtual environment, but mypy is not installed in it. feature topic-usability
#17214 opened May 4, 2024 by emmatyping
Better error message when union may not have been narrowed feature good-first-issue topic-usability
#17036 opened Mar 15, 2024 by JukkaL
6
10
Unclear error message: incompatible type "type[str]"; expected "Callable[[_T], _T]" topic-usability
#17026 opened Mar 14, 2024 by Jacobfaib
5
Experience report with some suggestions and a bit of a rant. feature topic-configuration Configuration files and flags topic-usability
#16599 opened Dec 1, 2023 by markshannon
1
Getting a union from an and expression bug mypy got something wrong topic-type-narrowing Conditional type narrowing / binder topic-usability
#16565 opened Nov 25, 2023 by Dreamsorcerer
10
Better message for overloaded functions with required kwargs feature topic-overloads topic-usability
#16528 opened Nov 20, 2023 by MarcinKonowalczyk
Errors for incorrect type on **kwargs should give the name of the argument bug mypy got something wrong topic-error-reporting How we report errors topic-overloads topic-usability
#16490 opened Nov 14, 2023 by tusharsadhwani
4
Error location show incorrect file. bug mypy got something wrong priority-0-high topic-usability
#16175 opened Sep 25, 2023 by jenstroeger
4
(🐞) Sus impostor tuple in dict literal error message bug mypy got something wrong topic-disallow-any The disallow-any-* family of flags topic-usability
#15973 opened Aug 27, 2023 by KotlinIsland
4
More-helpful typing errors with Generics and Callables feature topic-error-reporting How we report errors topic-usability
#15522 opened Jun 26, 2023 by tomhampshire
Optional error code to flag missing return type when an argument has an annotation feature good-first-issue topic-usability
#15127 opened Apr 25, 2023 by JukkaL
1
5
Generate an optional error if __init__ has no annotation but class has annotations feature topic-usability
#15126 opened Apr 25, 2023 by JukkaL
Method argument errors refer to method's class, not callee's bug mypy got something wrong topic-error-reporting How we report errors topic-newtype NewType topic-usability
#14896 opened Mar 14, 2023 by ikonst
Typo in kwarg to overloaded function results in message about type mismatch bug mypy got something wrong topic-overloads topic-usability
#14895 opened Mar 13, 2023 by cauebs
mypy rejects unpacking into same variable bug mypy got something wrong topic-usability
#14786 opened Feb 26, 2023 by PeterJCLaw
3
Misleading issue text when return type doesn't match type annotation topic-type-context Type context / bidirectional inference topic-usability
#14773 opened Feb 24, 2023 by tusharsadhwani
1
Better message for "Function ... could always be true" feature topic-usability
#14529 opened Jan 26, 2023 by JukkaL
6
(🐞) No color on operator in "Unsupported right operand type" error message bug mypy got something wrong topic-error-reporting How we report errors topic-usability
#13233 opened Jul 25, 2022 by KotlinIsland
Inconsistency in reveal_type(some_type) bug mypy got something wrong topic-reveal-type reveal_type() and reveal_locals() topic-usability
#13062 opened Jul 3, 2022 by denballakh
1
(🎁) Better error message when crash is caused by plugin feature topic-plugins The plugin API and ideas for new plugins topic-usability
#13007 opened Jun 22, 2022 by KotlinIsland
Allow re-defined variables to span different scopes with allow-redefinition feature topic-usability
#12968 opened Jun 11, 2022 by DetachHead
3
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