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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

Unable to specify a default value for a generic parameter feature priority-0-high topic-type-variables
#3737 opened Jul 19, 2017 by rowillia updated Aug 9, 2024
38
Reachable code in loop marked unreachable bug mypy got something wrong priority-0-high topic-reachability Detecting unreachable code
#8721 opened Apr 25, 2020 by PeterJCLaw updated Aug 4, 2024
3
Use union instead of join for unifying types bug mypy got something wrong needs discussion priority-0-high topic-join-v-union Using join vs. using unions
#12056 opened Jan 24, 2022 by JelleZijlstra updated Jul 3, 2024
9
Refactor all member access to go through checkmember.py (meta issue) meta Issues tracking a broad area of work needs discussion priority-0-high refactoring Changing mypy's internals
#7724 opened Oct 16, 2019 by ilevkivskyi updated Jun 15, 2024
3
importing google.cloud.logging causes untyped modules in the namespace to be considered missing bug mypy got something wrong priority-0-high topic-pep-561
#10360 opened Apr 23, 2021 by graingert updated May 4, 2024
9
Unexpected "error: Slice index must be an integer or None" bug mypy got something wrong false-positive mypy gave an error on correct code feature needs discussion priority-0-high
#2410 opened Nov 7, 2016 by sametmax updated Apr 29, 2024
33
Make command line tests faster good-first-issue priority-0-high topic-developer Issues relevant to mypy developers topic-tests
#5966 opened Nov 28, 2018 by JukkaL updated Apr 28, 2024
10
What to do about setters of a different type than their property? false-positive mypy gave an error on correct code feature priority-0-high topic-descriptors Properties, class vs. instance attributes
#3004 opened Mar 15, 2017 by sixolet updated Mar 18, 2024
55
MyPy is nondeterministic across runs bug mypy got something wrong priority-0-high topic-incremental
#16979 opened Mar 2, 2024 by wjakob updated Mar 12, 2024
6
Union subtyping doesn't work with covariant type constructors Tuple and Callable bug mypy got something wrong false-positive mypy gave an error on correct code priority-0-high topic-union-types
#7187 opened Jul 9, 2019 by ilevkivskyi updated Jan 29, 2024
6
Infinite typechecking bug mypy got something wrong priority-0-high topic-recursive-types
#16757 opened Jan 7, 2024 by heckad updated Jan 9, 2024
Error for lambda containing Any even when type can be inferred bug mypy got something wrong false-positive mypy gave an error on correct code priority-0-high topic-disallow-any The disallow-any-* family of flags topic-usability
#5879 opened Nov 9, 2018 by keis updated Dec 7, 2023
1
4
Type alias expansion sometimes interferes with type variable binding bug mypy got something wrong priority-0-high topic-calls Function calls, *args, **kwargs, defaults topic-type-alias TypeAlias and other type alias issues topic-type-variables
#3924 opened Sep 6, 2017 by ilevkivskyi updated Nov 22, 2023
5
Odd error message when kwargs passed as **dict feature priority-0-high topic-calls Function calls, *args, **kwargs, defaults topic-usability
#5382 opened Jul 22, 2018 by scop updated Nov 15, 2023
17
Error location show incorrect file. bug mypy got something wrong priority-0-high topic-usability
#16175 opened Sep 25, 2023 by jenstroeger updated Nov 9, 2023
4
Infer attributes from __new__ false-positive mypy gave an error on correct code feature priority-0-high
#1021 opened Nov 29, 2015 by JukkaL updated Sep 8, 2023
17
Property, classmethod and staticmethod aliases not supported bug mypy got something wrong false-positive mypy gave an error on correct code priority-0-high topic-descriptors Properties, class vs. instance attributes
#6700 opened Apr 19, 2019 by serhiy-storchaka updated Jul 6, 2023
7
MyPy Reporting problems in dependencies (site-packages) bug mypy got something wrong priority-0-high
#12162 opened Feb 10, 2022 by loganod updated Jun 15, 2023
6
Use MessageBuilder.pretty_callable in more places good-first-issue priority-0-high refactoring Changing mypy's internals topic-tests topic-usability
#5490 opened Aug 16, 2018 by ilevkivskyi updated May 22, 2023
4
TypeVars should be allowed to be the same documentation priority-0-high
#7864 opened Nov 4, 2019 by twoertwein updated Apr 23, 2023
1
11
--disallow-untyped-calls allows calling values with Any type bug mypy got something wrong priority-0-high topic-usability
#5968 opened Nov 28, 2018 by JukkaL updated Jan 3, 2023
12
Document descriptors documentation priority-0-high topic-descriptors Properties, class vs. instance attributes
#2566 opened Dec 13, 2016 by JukkaL updated Dec 6, 2022
16
Inconsistent errors reported for protocol matching bug mypy got something wrong priority-0-high
#13850 opened Oct 9, 2022 by erictraut updated Oct 10, 2022
File shadowing with --follow-imports=skip can cause crashes in incremental and daemon mode crash priority-0-high topic-daemon dmypy topic-fine-grained-incremental topic-incremental
#6935 opened Jun 4, 2019 by ilevkivskyi updated Sep 30, 2022
5
False negative involving null checks on optional types bug mypy got something wrong priority-0-high topic-reachability Detecting unreachable code topic-runtime-semantics mypy doesn't model runtime semantics correctly
#5423 opened Aug 6, 2018 by person594 updated Aug 28, 2022
6
ProTip! Updated in the last three days: updated:>2024-09-20.