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Issues: python/mypy

Announcement issue for plugin API changes
#6617 opened Apr 3, 2019 by msullivan
Open 15
Python 3.13 tracking issue
#17264 opened May 18, 2024 by hauntsaninja
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Issues list

--untyped-calls-exclude does not exclude some packages/libraries bug mypy got something wrong
#17699 opened Aug 21, 2024 by schuylermartin45 updated Aug 21, 2024
1
constrained TypeVar and star operator incompatible type bug mypy got something wrong
#17698 opened Aug 21, 2024 by prousso updated Aug 21, 2024
assignment to _ inside a function incorrectly becomes Any bug mypy got something wrong
#17697 opened Aug 21, 2024 by DetachHead updated Aug 21, 2024
functools.reduce over sets becomes unacceptable when used in a larger expression bug mypy got something wrong
#17694 opened Aug 20, 2024 by inducer updated Aug 20, 2024
functools.reduce over sets: empty set not accepted without annotation bug mypy got something wrong
#17693 opened Aug 20, 2024 by inducer updated Aug 20, 2024
no error when calling Callable with ParamSpec using Concatenate with not enough args bug mypy got something wrong topic-paramspec PEP 612, ParamSpec, Concatenate
#14571 opened Feb 1, 2023 by DetachHead updated Aug 20, 2024
1
6
no error when overriding property with incompatible return type when the overridden property has a setter that's decorated with a contextmanager bug mypy got something wrong topic-descriptors Properties, class vs. instance attributes topic-inheritance Inheritance and incompatible overrides
#17393 opened Jun 17, 2024 by DetachHead updated Aug 20, 2024
new generics should be inferred as covariant instead of invariant on frozen dataclasses bug mypy got something wrong
#17692 opened Aug 19, 2024 by DetachHead updated Aug 19, 2024
Untrue unreachable statements with list pattern matching bug mypy got something wrong topic-match-statement Python 3.10's match statement
#16272 opened Oct 16, 2023 by JanczarKurek updated Aug 19, 2024
1
Typeshed import cycle causes mypy to start claiming a fixed-length tuple type alias declared with TypeAlias is "not valid as a type" affects-typeshed Anything that blocks a typeshed change bug mypy got something wrong topic-import-cycles topic-type-alias TypeAlias and other type alias issues
#16581 opened Nov 28, 2023 by AlexWaygood updated Aug 19, 2024
7
Case of generic decorators not working on generic callables (ParamSpec) bug mypy got something wrong topic-paramspec PEP 612, ParamSpec, Concatenate
#17621 opened Aug 1, 2024 by kcdodd updated Aug 19, 2024
2
"Type variable is invalid as target for type alias" error on new union syntax when not using TypeAlias type bug mypy got something wrong
#14824 opened Mar 3, 2023 by DetachHead updated Aug 19, 2024
2
Can't call get on an empty dict bug mypy got something wrong
#17684 opened Aug 16, 2024 by 0e4ef622 updated Aug 18, 2024
Constrained TypeVar default causes false positive error if the default is a TypedDict type bug mypy got something wrong
#17686 opened Aug 17, 2024 by bzoracler updated Aug 17, 2024
Incorrect TypeIs narrowing for tuples bug mypy got something wrong
#17599 opened Jul 26, 2024 by erictraut updated Aug 16, 2024
1
TypedDict.setdefault gives error when type is a TypeVar bug mypy got something wrong
#17674 opened Aug 14, 2024 by bmerry updated Aug 14, 2024
dmypy: error: unrecognized arguments: --config-file pyproject.toml bug mypy got something wrong
#17624 opened Aug 2, 2024 by petergaultney updated Aug 14, 2024
stubtest treats constructors of native types as (self, *args, **kwargs). bug mypy got something wrong topic-stubtest
#17672 opened Aug 13, 2024 by SquidDev updated Aug 13, 2024
[comparison-overlap] error on Type[Any] typed var compared with Any bug mypy got something wrong
#17665 opened Aug 13, 2024 by alesmrazek updated Aug 13, 2024
False negative: Context manager which suppresses errors doesn't trigger [possibly-undefined] bug mypy got something wrong
#17664 opened Aug 13, 2024 by bzoracler updated Aug 13, 2024
1.11 Regression: Self in classmethod causes "type[Self] not callable" error bug mypy got something wrong topic-self-types Types for self
#17659 opened Aug 10, 2024 by atugushev updated Aug 12, 2024
2
Mypy doesn't detect new metaclass on subclass bug mypy got something wrong
#17657 opened Aug 9, 2024 by sshane updated Aug 9, 2024
"Callable | Callable" not callable [misc] bug mypy got something wrong
#17631 opened Aug 3, 2024 by jolaf updated Aug 9, 2024
3
Ignore doesn't work when two errors share a line bug mypy got something wrong
#17655 opened Aug 9, 2024 by NeilGirdhar updated Aug 9, 2024
[arg-type] wrong argument type in generic function with union bug mypy got something wrong
#17654 opened Aug 9, 2024 by RoketFlame updated Aug 9, 2024
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