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Issues: python/mypy

Announcement issue for plugin API changes
#6617 opened Apr 3, 2019 by msullivan
Open 15
Python 3.13 tracking issue
#17264 opened May 18, 2024 by hauntsaninja
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Issues list

Bazel build integration feature needs discussion priority-2-low
#3912 opened Sep 3, 2017 by sixolet
38
Types not added to binder on initial assignment feature priority-2-low topic-strict-optional topic-union-types
#2008 opened Aug 10, 2016 by ddfisher
37
Bad error message: mypy reports 'Name is not defined' when using an object member as super class of another class good-first-issue priority-2-low
#8603 opened Mar 30, 2020 by sandrinr
24
Rust style force handling of return value feature priority-2-low
#6936 opened Jun 4, 2019 by runfalk
24
Better alternative for algebraic data types needs discussion priority-2-low topic-union-types
#2464 opened Nov 16, 2016 by JukkaL
21
ABCMeta.register support needs discussion performance priority-2-low
#2922 opened Feb 28, 2017 by miedzinski
18
mypy does not handle __class_getitem__ feature priority-2-low
#11501 opened Nov 8, 2021 by jayanthkoushik
1
17
Looping through literals not typed correctly feature priority-2-low topic-literal-types topic-typed-dict
#9230 opened Jul 29, 2020 by rggjan
17
Support for default types in TypedDict feature priority-2-low topic-typed-dict
#6131 opened Jan 3, 2019 by rra
16
Disallow type[NoReturn] bug mypy got something wrong priority-2-low topic-pep-484
#11291 opened Oct 7, 2021 by DetachHead
15
Bad circular imports are not rejected feature priority-2-low topic-runtime-semantics mypy doesn't model runtime semantics correctly
#61 opened Jan 27, 2013 by ashleyh
12
"Missing return statement" error for functions having infinite loop unconditionally by looping on non-exhaustive generator false-positive mypy gave an error on correct code feature priority-2-low
#7374 opened Aug 20, 2019 by yxliang01
12
isinstance(x, Tuple) fails when equivalent expressions don't bug mypy got something wrong false-positive mypy gave an error on correct code priority-2-low topic-runtime-semantics mypy doesn't model runtime semantics correctly
#6680 opened Apr 16, 2019 by lbenezriravin
11
mypy does not recognize conversion between fixed length list and tuple false-positive mypy gave an error on correct code feature needs discussion priority-2-low
#7509 opened Sep 13, 2019 by boompig
11
Add optional exception checking feature needs discussion priority-2-low topic-depends-on-pep-change
#1773 opened Jun 30, 2016 by Dakkaron
11
no error when setting init=False on Final field in dataclass feature good-second-issue priority-2-low topic-dataclasses topic-final PEP 591
#13119 opened Jul 14, 2022 by DetachHead
1
10
Type check global after function definition bug mypy got something wrong priority-2-low topic-variable-scope
#538 opened Dec 19, 2014 by spkersten
9
Generic inner classes sees type variable from outer class priority-2-low topic-type-variables
#3144 opened Apr 8, 2017 by pkch
9
Soundness bugs with Callable[..., T] and partial needs discussion priority-2-low
#2288 opened Oct 19, 2016 by drvink
9
What if duck types are unions of all the ducklings feature priority-2-low
#11516 opened Nov 11, 2021 by KotlinIsland
9
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
Cannot use nested class in type context via self feature priority-2-low
#3993 opened Sep 24, 2017 by mitar
8
False positive with disallow-any-explicit and ... in Callable in bound of type var bug mypy got something wrong priority-2-low topic-calls Function calls, *args, **kwargs, defaults topic-disallow-any The disallow-any-* family of flags
#9496 opened Sep 28, 2020 by KotlinIsland
8
Allow method assignment in body of type extending typing.NamedTuple bug mypy got something wrong priority-2-low topic-named-tuple topic-runtime-semantics mypy doesn't model runtime semantics correctly
#8543 opened Mar 15, 2020 by asottile
8
Check type variable bounds of self types priority-2-low topic-self-types Types for self
#2351 opened Oct 27, 2016 by JukkaL
7
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