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Issues: python/mypy

Announcement issue for plugin API changes
#6617 opened Apr 3, 2019 by msullivan
Open 12
Python 3.11 tracking issue
#12840 opened May 22, 2022 by hauntsaninja
Open 7
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2,069 Open 5,946 Closed
2,069 Open 5,946 Closed
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Issues list

False negative with protocols containins classvars bug mypy got something wrong topic-protocols
#13537 opened Aug 27, 2022 by Tinche
(🎁) Narrow type based on method return type of union feature priority-2-low topic-type-narrowing Conditional type narrowing / binder
#13530 opened Aug 27, 2022 by KotlinIsland
(🐞) Bad error message when using Concatenate incorrectly bug mypy got something wrong diagnostics topic-paramspec PEP 612, ParamSpec, Concatenate topic-usability
#13518 opened Aug 26, 2022 by KotlinIsland
1
(🐞) Same error reported multiple times on inner functions when show-error-context is enabled bug mypy got something wrong topic-error-reporting How we report errors
#13517 opened Aug 26, 2022 by KotlinIsland
1
Internal Error due to overloaded generic method? crash topic-protocols
#13515 opened Aug 25, 2022 by dbramel
1
super(cls, self) seemingly has no attribute it actually has feature priority-2-low
#13497 opened Aug 24, 2022 by pjoziak
1
Better documentation for the HTML report documentation
#13495 opened Aug 24, 2022 by fofoni
(🎁) Perform 'union math' on non overloaded calls feature topic-type-variables topic-union-types
#13493 opened Aug 24, 2022 by KotlinIsland
isinstance and TypeVar bug mypy got something wrong
#13492 opened Aug 24, 2022 by johnburnett
(🐞) Bad error message when using unbound ParamSpec in a Callable bug mypy got something wrong diagnostics topic-paramspec PEP 612, ParamSpec, Concatenate topic-usability
#13476 opened Aug 22, 2022 by KotlinIsland
1
Wrong type narrowing when using type without an argument in isinstance call bug mypy got something wrong false-positive mypy gave an error on correct code topic-type-narrowing Conditional type narrowing / binder
#13462 opened Aug 20, 2022 by twoertwein
Unbound type variables in Callable type alias are substituted with Any bug mypy got something wrong topic-type-alias TypeAlias and other type alias issues
#13449 opened Aug 18, 2022 by Drino
@sobolevn
9
callable typeguard doesn't work on Any bug mypy got something wrong topic-type-narrowing Conditional type narrowing / binder
#13443 opened Aug 18, 2022 by DetachHead
1
3
Incorrect type inference for list comprehension returning List[List[Union]] bug mypy got something wrong
#13439 opened Aug 17, 2022 by wplohrmann
2
isinstance doesn't narrow when using union bug mypy got something wrong topic-type-narrowing Conditional type narrowing / binder
#13438 opened Aug 17, 2022 by DetachHead
1
Incorrect "Type application has too few types" bug mypy got something wrong
#13437 opened Aug 17, 2022 by Dr-Irv
Overlapping overloads in second-order functions cause returned value to be Any bug mypy got something wrong topic-overloads
#13436 opened Aug 16, 2022 by Rogdham
🐛 Methods converted to staticmethods using a decorator not treated as staticmethods feature topic-descriptors Properties, class vs. instance attributes
#13434 opened Aug 16, 2022 by tombulled
Debugging a segmentation fault crash priority-0-high
#13431 opened Aug 16, 2022 by jace
2
Arg(T, 'name') not equivalent to T in Callable bug mypy got something wrong topic-calls Function calls, *args, **kwargs, defaults
#13429 opened Aug 15, 2022 by matteosantama
Inconsistent behavior when narrowing bounded generics. bug mypy got something wrong
#13426 opened Aug 15, 2022 by denballakh
1
Union TypeVar Inference Rather Than Most Recent Ancestor feature topic-join-v-union Using join vs. using unions
#13424 opened Aug 15, 2022 by zevbo
1
Inconsistent results after 0.960 -> 0.971 migration bug mypy got something wrong
#13422 opened Aug 15, 2022 by sobolevn
7
Regression with recent mypy versions and Pydantic Generic support bug mypy got something wrong
#13421 opened Aug 15, 2022 by EldarSehayekZenity
TypeVar incompatible with nested coroutines bug mypy got something wrong topic-async async, await, asyncio topic-type-variables
#13408 opened Aug 13, 2022 by bushkov
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