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Issues list

Disable comparison overlap checks in assert statements false-positive mypy gave an error on correct code feature needs discussion topic-overlap Overlapping equality check
#17896 opened Oct 8, 2024 by JukkaL
1
5
Unused awaitable with TaskGroup bug mypy got something wrong false-positive mypy gave an error on correct code topic-async async, await, asyncio
#15036 opened Apr 11, 2023 by Dreamsorcerer
2
truthy-function incorrectly reported on sqlalchemy's hybrid_property with expression bug mypy got something wrong false-positive mypy gave an error on correct code topic-descriptors Properties, class vs. instance attributes
#14314 opened Dec 19, 2022 by StephenPCG
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
1
__getnewargs__ for a subclass incompatible with return type of supertype bug mypy got something wrong false-positive mypy gave an error on correct code topic-inheritance Inheritance and incompatible overrides
#13309 opened Aug 2, 2022 by eli-schwartz
2
Value of type "Type[type]" is not indexable error inside reveal_type(type[type]) bug mypy got something wrong false-positive mypy gave an error on correct code topic-pep-585 PEP 585 (builtin generics)
#13026 opened Jun 26, 2022 by denballakh
3
Supporting attrs extensions with different default arguments for decorators. false-positive mypy gave an error on correct code feature topic-attrs
#12774 opened May 12, 2022 by t4lz
1
4
Any type causes worse type inference with higher-order function bug mypy got something wrong false-positive mypy gave an error on correct code
#11610 opened Nov 24, 2021 by JukkaL
False positive: unreachable bug mypy got something wrong false-positive mypy gave an error on correct code topic-reachability Detecting unreachable code
#10806 opened Jul 12, 2021 by KotlinIsland
1
False positive with variable key in Mapping with Optional value bug mypy got something wrong false-positive mypy gave an error on correct code
#10163 opened Mar 4, 2021 by aphedges
2
Confusing error message: List item 0 has incompatible type "Type[Linear]"; expected "Type[Linear]" bug mypy got something wrong false-positive mypy gave an error on correct code
#10160 opened Mar 3, 2021 by ezyang
2
nested isinstances lose type information bug mypy got something wrong false-positive mypy gave an error on correct code topic-join-v-union Using join vs. using unions topic-type-narrowing Conditional type narrowing / binder topic-union-types
#10146 opened Feb 27, 2021 by Akuli
2
Type inference regression with sort and cmp_to_key false-positive mypy gave an error on correct code priority-0-high
#9372 opened Aug 28, 2020 by JukkaL
1
Poor handling of attrs converters. bug mypy got something wrong false-positive mypy gave an error on correct code topic-attrs
#9354 opened Aug 25, 2020 by alanhdu
2
__add__ and __iadd__ are incompatible for list bug mypy got something wrong false-positive mypy gave an error on correct code
#9279 opened Aug 7, 2020 by arthaud
4
Definition Order Matters For types.coroutine Decorator bug mypy got something wrong false-positive mypy gave an error on correct code topic-async async, await, asyncio
#9256 opened Aug 4, 2020 by rmorshea
1
list doesn't seem to be a valid callable bug mypy got something wrong false-positive mypy gave an error on correct code topic-type-variables
#9253 opened Aug 3, 2020 by Akuli
7
Type fails to get "refined" on branch when is None-check happens in variable assignment false-positive mypy gave an error on correct code feature priority-2-low topic-pep-572 PEP 572 (walrus operator) topic-type-narrowing Conditional type narrowing / binder
#9229 opened Jul 29, 2020 by davidmrdavid
4
False positive example, can't interact with isinstance bug mypy got something wrong false-positive mypy gave an error on correct code priority-1-normal topic-ternary-expression a if b else c topic-type-context Type context / bidirectional inference topic-type-narrowing Conditional type narrowing / binder
#9226 opened Jul 28, 2020 by GoToCoding
2
mypy Type error for a class with an imported metaclass bug mypy got something wrong false-positive mypy gave an error on correct code priority-1-normal topic-metaclasses
#9185 opened Jul 21, 2020 by seanp2
15
Proper way to use dynamic keys for TypedDict false-positive mypy gave an error on correct code feature priority-2-low topic-literal-types topic-typed-dict
#9168 opened Jul 18, 2020 by mortoray
9
Failure to narrow down type of elements of Tuple false-positive mypy gave an error on correct code feature priority-2-low topic-type-narrowing Conditional type narrowing / binder
#9159 opened Jul 16, 2020 by MaxG87
2
Invalid expression type with set of asyncio tasks bug mypy got something wrong false-positive mypy gave an error on correct code priority-1-normal
#9111 opened Jul 8, 2020 by decaz
2
Incorrectly rejects TypeVar('F', bound=Callable[..., int]) for Callable[..., T] bug mypy got something wrong false-positive mypy gave an error on correct code priority-1-normal topic-type-variables
#9075 opened Jun 30, 2020 by andersk
3
False positive when type checking overloads with generics bug mypy got something wrong false-positive mypy gave an error on correct code priority-1-normal topic-overloads topic-type-variables
#9023 opened Jun 19, 2020 by ngaya-ll
2
1
ProTip! Exclude everything labeled bug with -label:bug.