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Issues list

1.16 Release Planning meta Issues tracking a broad area of work
#18739 opened Feb 25, 2025 by jhance
@jhance
1 🚀 5
Support infer_variance= parameter for TypeVar (PEP 695) feature topic-pep-695 Issues related to PEP 695 syntax
#17811 opened Sep 23, 2024 by JukkaL
2 🚀 2
mypy 2.0 big change list meta Issues tracking a broad area of work
#17967 opened Oct 16, 2024 by hauntsaninja
9 🚀 2
Support for Final-as-default, like Rust feature topic-final PEP 591
#16313 opened Oct 22, 2023 by willhansen
5 🚀 2
Upgrade dmypy to a language server (LSP) feature topic-daemon dmypy
#10463 opened May 12, 2021 by lithammer
5 🚀 2
Let "Literal" accept another Literal type variable feature topic-literal-types
#10026 opened Feb 4, 2021 by xuhdev
6 🚀 1
Rewrite .test as .py feature topic-developer Issues relevant to mypy developers topic-tests
#15326 opened May 30, 2023 by ikonst
4 🚀 1
Support dataclass_transform's field spec's newest addition: converter` feature
#17547 opened Jul 20, 2024 by thejcannon
🚀 1
(🐞) overloads that exhaust finite Literals(bool/Enum) not treated as exhaustive bug mypy got something wrong topic-literal-types topic-overloads
#14764 opened Feb 22, 2023 by KotlinIsland
1
10 🚀 1
Difference in behaviour between overload and TypeVars when using functools.update_wrapper bug mypy got something wrong
#17196 opened Apr 30, 2024 by hajarmitage
3 🚀 1
narrowed variable does not work when used as default value bug mypy got something wrong
#15894 opened Aug 17, 2023 by DetachHead
🚀 1
Stubgen: Instance Attributes set to Incomplete even though explicit declared feature topic-stubgen
#14673 opened Feb 10, 2023 by NielsKorschinsky
4 🚀 1
How to use typing.Never to indicate a subclass method with zero arguments cannot be called? feature
#14726 opened Feb 17, 2023 by Dr-Irv
🚀 1
Document the HTML/XML report generator documentation priority-1-normal
#912 opened Oct 12, 2015 by JukkaL
4
local stubs folder makes mypy think an unrelated module.__init__ duplicates module bug mypy got something wrong
#18775 opened Mar 9, 2025 by Avasam
Infer attributes from __new__ false-positive mypy gave an error on correct code feature priority-0-high
#1021 opened Nov 29, 2015 by JukkaL
19
Reject assignments when __setattr__ has NoReturn return type feature priority-1-normal
#1052 opened Dec 5, 2015 by JukkaL
Figure out story about diamond inheritance feature priority-1-normal
#1065 opened Dec 11, 2015 by gnprice
14
Confusing error message when using AnyStr bug mypy got something wrong priority-0-high topic-join-v-union Using join vs. using unions topic-usability
#963 opened Oct 22, 2015 by oconnor663
6
Don't use XSLT in report generator priority-1-normal refactoring Changing mypy's internals
#909 opened Oct 11, 2015 by JukkaL
18
Doesn't recognize all uses of super bug mypy got something wrong false-positive mypy gave an error on correct code priority-1-normal
#857 opened Aug 21, 2015 by agentydragon
4
Check covariant variable used in an invariant position in a return type bug mypy got something wrong priority-1-normal topic-type-variables
#737 opened Aug 9, 2015 by JukkaL
Support @no_type_check for classes false-positive mypy gave an error on correct code feature priority-1-normal topic-pep-484 topic-runtime-semantics mypy doesn't model runtime semantics correctly
#607 opened Mar 21, 2015 by JukkaL
2
7
Overloaded function as a subtype of function with union types args/return bug mypy got something wrong priority-1-normal topic-overloads topic-union-types
#495 opened Nov 8, 2014 by JukkaL
More precise type checking of NotImplemented and operator overloading bug mypy got something wrong priority-1-normal
#363 opened Aug 4, 2014 by JukkaL
3
ProTip! Exclude everything labeled bug with -label:bug.