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Issues: python/mypy

Python 3.11 tracking issue
#12840 opened May 22, 2022 by hauntsaninja
Open 11
Announcement issue for plugin API changes
#6617 opened Apr 3, 2019 by msullivan
Open 12
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2,212 Open 6,267 Closed
2,212 Open 6,267 Closed
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Issues list

If .mypy_cache exists "AttributeError: attribute 'mro' of 'TypeInfo' undefined" crash
#14353 opened Dec 28, 2022 by JMarkin
mypy sometimes emits fewer errors when running on multiple files at once bug mypy got something wrong
#14348 opened Dec 26, 2022 by marc-legendre
ParamSpec + Generics false positive bug mypy got something wrong topic-paramspec PEP 612, ParamSpec, Concatenate
#14347 opened Dec 26, 2022 by Tinche
Allow for specifying default types based on name feature
#14346 opened Dec 26, 2022 by PMLP-novo
Incorrect asynchronous comprehension cause an internal error crash
#14345 opened Dec 26, 2022 by xiaxinmeng
Deny free type variables in instance attributes coming from constructor args feature topic-type-variables
#14343 opened Dec 25, 2022 by sterliakov
6
Combining an or and dict.get results in the wrong inferred type. bug mypy got something wrong
#14338 opened Dec 22, 2022 by ojii
1
Callables like operator.call produce arg-type error with generic functions bug mypy got something wrong
#14337 opened Dec 22, 2022 by gschaffner
1
AssertionError: Must not defer during final iteration & TypeError: '<' not supported between instances of 'ArgKind' and 'ArgKind' crash topic-daemon dmypy
#14329 opened Dec 21, 2022 by CoolCat467
Stub suggestions for non-typeshed stubs feature
#14328 opened Dec 20, 2022 by hauntsaninja
Incremental mode bug for nested ParamSpecs bug mypy got something wrong topic-incremental topic-paramspec PEP 612, ParamSpec, Concatenate
#14322 opened Dec 20, 2022 by ringohoffman
1
Type is incompatible with Callable when using Concatenate bug mypy got something wrong topic-paramspec PEP 612, ParamSpec, Concatenate
#14321 opened Dec 20, 2022 by ringohoffman
Option to run non-interactive and fail if --install-types is dirty. feature
#14320 opened Dec 20, 2022 by hterik
Annotation of Callable and function bug mypy got something wrong
#14319 opened Dec 20, 2022 by mschmidt87
Subscript op on TypeAlias to Enum is misinterpreted bug mypy got something wrong
#14317 opened Dec 19, 2022 by mcowpert
Generic TypeAlias does not infer types bug mypy got something wrong topic-type-alias TypeAlias and other type alias issues
#14315 opened Dec 19, 2022 by jzazo
1
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
Sequence | Hashable reduced to Hashable when class is Generic bug mypy got something wrong
#14311 opened Dec 17, 2022 by twoertwein
[possibly-undefined] Track conditional assignment feature topic-partially-defined partially-defined error code
#14310 opened Dec 17, 2022 by cdce8p
@ilinum
[possibly-undefined] False-positive with nested try block and finally bug mypy got something wrong topic-partially-defined partially-defined error code
#14309 opened Dec 17, 2022 by cdce8p
@ilinum
2
discrepencay between mypy and mypyc bug mypy got something wrong topic-mypyc mypyc bugs
#14306 opened Dec 16, 2022 by twoertwein
Mypy incorrectly infers a non-optional type bug mypy got something wrong
#14305 opened Dec 16, 2022 by miskosz
2
False positive with inherited writable property that reads subtype in subclass bug mypy got something wrong topic-descriptors Properties, class vs. instance attributes topic-inheritance Inheritance and incompatible overrides
#14301 opened Dec 15, 2022 by mthuurne
Difference between the command output and the html report bug mypy got something wrong
#14297 opened Dec 15, 2022 by JCHacking
AttributeError: attribute '_fullname' of 'TypeInfo' undefined crash pending Issues that may be closed topic-incremental
#14296 opened Dec 15, 2022 by MarcSkovMadsen
1
ProTip! Exclude everything labeled bug with -label:bug.