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Issues list

Infer type of generic class from return type of (optionally awaitable) callable passed to constructor bug mypy got something wrong topic-inference When to infer types or require explicit annotations
#19143 opened May 23, 2025 by DouweM
Sequence of types bug mypy got something wrong topic-join-v-union Using join vs. using unions
#19142 opened May 23, 2025 by DouweM
Unpack generic tuple with no args not working bug mypy got something wrong
#19140 opened May 23, 2025 by herobank110
Regression in 1.16 on DataclassInstance? bug mypy got something wrong
#19139 opened May 23, 2025 by henryiii
MYPYPATH directory used even if no __init__.py bug mypy got something wrong
#19129 opened May 22, 2025 by brandonchinn178
Nondeterministic type checking on pytorch/vision bug mypy got something wrong
#19121 opened May 20, 2025 by hauntsaninja
Empty variadic tuple subtype not assignable to tuple[int, ...] bug mypy got something wrong topic-pep-646 PEP 646 (TypeVarTuple, Unpack)
#19110 opened May 18, 2025 by jorenham
tuple[Any, *tuple[Any, ...]] is not assignable to other tuple types bug mypy got something wrong topic-pep-646 PEP 646 (TypeVarTuple, Unpack)
#19109 opened May 18, 2025 by jorenham
incorrect inference of user-defined variadic tuple subtype instances bug mypy got something wrong topic-pep-646 PEP 646 (TypeVarTuple, Unpack)
#19106 opened May 18, 2025 by jorenham
class S(tuple[*tuple[()]]) crashes mypy crash topic-pep-646 PEP 646 (TypeVarTuple, Unpack)
#19105 opened May 18, 2025 by jorenham
Argument 1 to type_check_only has incompatible type type[S[T, *Ts]]; expected type[S[T, *Ts]] bug mypy got something wrong topic-pep-646 PEP 646 (TypeVarTuple, Unpack)
#19093 opened May 16, 2025 by jorenham
Cannot combine iterables of Callable classes bug mypy got something wrong topic-join-v-union Using join vs. using unions
#19091 opened May 15, 2025 by benjaminglass1
Type narrowing for tuple worse with match than with the equivalent instanceof check bug mypy got something wrong topic-match-statement Python 3.10's match statement topic-type-narrowing Conditional type narrowing / binder
#19082 opened May 12, 2025 by mscheifer
Mypy doesn't narrow a matched object's type (generic or not) based on attribute subpattern match bug mypy got something wrong topic-match-statement Python 3.10's match statement topic-type-narrowing Conditional type narrowing / binder
#19081 opened May 12, 2025 by alythobani
Module attribute assignment causes attr-defined bug mypy got something wrong pending Issues that may be closed
#19067 opened May 9, 2025 by tucked
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