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Issues: python/mypy

Announcement issue for plugin API changes
#6617 opened Apr 3, 2019 by msullivan
Open 18
Python 3.13 tracking issue
#17264 opened May 18, 2024 by hauntsaninja
Open 6
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2,754 Open 8,029 Closed
2,754 Open 8,029 Closed
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Issues list

generic is incorrectly inferred as invariant if class uses Self type on an attribute bug mypy got something wrong
#18334 opened Dec 24, 2024 by DetachHead
[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
2
Mypy doesn't object to property methods that don't exist bug mypy got something wrong
#18327 opened Dec 22, 2024 by tungol
Potential Cache Bug in Daemon Mode with Passed-in String Code bug mypy got something wrong topic-daemon dmypy topic-incremental
#18326 opened Dec 22, 2024 by kcornw
Generic descriptors with a deprecated __get__ overload feature topic-descriptors Properties, class vs. instance attributes topic-pep-702 PEP 702, @deprecated
#18323 opened Dec 21, 2024 by Viicos
1
[1.14 regression] False positive on abstract Enum subclasses in stubs bug mypy got something wrong topic-enum
#18322 opened Dec 21, 2024 by JelleZijlstra
Overload + generic functions + union arguments = inconsistent results (wrong overload is matched?) bug mypy got something wrong topic-overloads topic-type-context Type context / bidirectional inference
#18321 opened Dec 21, 2024 by sbrudenell
3
[1.14 regression] Unpacking an iterator converts the inner type to Any bug mypy got something wrong
#18320 opened Dec 21, 2024 by dscorbett
7
I can not assign a value to variable of a type built from the unpacking of another type with the new pythong 3.13 generic syntax bug mypy got something wrong crash topic-pep-695 Issues related to PEP 695 syntax
#18309 opened Dec 19, 2024 by GENDRAUD
3
attrs copy.replace() support feature topic-attrs topic-plugins The plugin API and ideas for new plugins
#18304 opened Dec 17, 2024 by injust
Confusing error from bidirectional inference? bug mypy got something wrong topic-type-context Type context / bidirectional inference
#18297 opened Dec 16, 2024 by alicederyn
1
Special-case .pop() on TypedDict feature
#18296 opened Dec 15, 2024 by Lancetnik
2
race in record_missing_stub_packages (No such file or directory: '.mypy_cache/missing_stubs') bug mypy got something wrong topic-incremental
#18283 opened Dec 11, 2024 by kalvdans
self.__class__ produces a type check with a constructor where a concrete reference to the class works fine bug mypy got something wrong topic-type-variables
#18279 opened Dec 11, 2024 by glyph
1
Multiple inheritance with Generic leads to [misc] error bug mypy got something wrong
#18268 opened Dec 8, 2024 by Lancetnik
1
3
mypy incorrectly complains about incompatible type error bug mypy got something wrong topic-type-context Type context / bidirectional inference
#18267 opened Dec 8, 2024 by athyuttamre
2
Generic type falling back to object - possibly related to type[ Union ]? bug mypy got something wrong
#18265 opened Dec 8, 2024 by JakeSummers
1
1
float and complex forcibly change invariant types to covariant bug mypy got something wrong
#18257 opened Dec 6, 2024 by jorenham
1
typing.TypeAliasType cannot be used to declare self-referential types bug mypy got something wrong topic-pep-695 Issues related to PEP 695 syntax topic-recursive-types
#18252 opened Dec 6, 2024 by bzoracler
Function accepts callable, but a typeshed custom Protocol was passed bug mypy got something wrong
#18239 opened Dec 4, 2024 by Andrew-Chen-Wang
1
Partial type that is "initialised" via assignment is only temporarily narrowed by isinstance bug mypy got something wrong topic-type-narrowing Conditional type narrowing / binder
#18238 opened Dec 3, 2024 by tyralla
INTERNAL ERROR: maximum semantic analysis iteration count reached Found 1 error in 1 file (errors prevented further checking) crash semantic-analyzer Problems that happen during semantic analysis
#18237 opened Dec 3, 2024 by Ryang20718
3
False positive [operator] on union of dicts with heterogeneous value types bug mypy got something wrong topic-type-context Type context / bidirectional inference
#18236 opened Dec 3, 2024 by harahu
3
Accept nesting Final in ClassVar for dataclasses bug mypy got something wrong topic-dataclasses
#18235 opened Dec 3, 2024 by ncanceill
1
Wrong return type inferred for overload with a type variable bug mypy got something wrong topic-type-context Type context / bidirectional inference
#18233 opened Dec 2, 2024 by eltoder
1
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