Skip to content

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
Open
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Clear current search query, filters, and sorts
346 Open 687 Closed
346 Open 687 Closed
Author
Filter by author
Loading
Label
Filter by label
Loading
Use alt + click/return to exclude labels
or ⇧ + click/return for logical OR
Projects
Filter by project
Loading
Milestones
Filter by milestone
Loading
Assignee
Filter by who’s assigned
Sort
Sort by
Newest Oldest Most commented Least commented Recently updated Least recently updated Best match
Most reactions
👍 👎 😄 🎉 😕 ❤️ 🚀 👀

Issues list

Test stub files against real code feature needs discussion priority-1-normal
#5028 opened May 13, 2018 by gaborbernat
30
Warn about unused Awaitables (and potentially other objects) feature needs discussion priority-1-normal topic-async async, await, asyncio
#2499 opened Nov 27, 2016 by JelleZijlstra
30
[Feature Request] Provide an API to get the type of the expressions in the AST feature needs discussion priority-1-normal
#4868 opened Apr 6, 2018 by sk-
25
Proposal: use binder (or similar) to track which attributes are defined. feature needs discussion priority-1-normal topic-runtime-semantics mypy doesn't model runtime semantics correctly
#4019 opened Sep 27, 2017 by ilevkivskyi
24
Document why having a union return type is often a problem documentation priority-1-normal topic-union-types
#1693 opened Jun 10, 2016 by JukkaL
22
untyped defs on derived classes feature priority-1-normal
#3903 opened Aug 31, 2017 by ostcar
1
22
Allow/disallow pep561 packages feature needs discussion priority-1-normal topic-pep-561
#8545 opened Mar 16, 2020 by ethanhs
1
21
mypy can't infer type for functools.reduce bug mypy got something wrong false-positive mypy gave an error on correct code priority-1-normal topic-type-variables
#4673 opened Mar 2, 2018 by kamahen
20
FR: Type narrowing for x is C documentation feature priority-1-normal topic-final PEP 591 topic-type-narrowing Conditional type narrowing / binder
#7642 opened Oct 5, 2019 by jbwdevries
19
Import errors in a try/except ImportError block should be allowed feature priority-1-normal
#1393 opened Apr 17, 2016 by bdarnell
19
Don't use XSLT in report generator priority-1-normal refactoring Changing mypy's internals
#909 opened Oct 11, 2015 by JukkaL
18
Literals overlap when defaults given false-positive mypy gave an error on correct code feature needs discussion priority-1-normal topic-literal-types topic-overloads
#6580 opened Mar 21, 2019 by llchan
17
Type[T] -> T has a strange behaviour bug mypy got something wrong priority-1-normal topic-type-form TypeForm might fix this topic-usability
#9003 opened Jun 15, 2020 by ltworf
16
Constrained TypeVar fails to narrow on left hand side of conditional expression priority-1-normal topic-reachability Detecting unreachable code topic-ternary-expression a if b else c topic-type-variables topic-usability
#4134 opened Oct 19, 2017 by alanhdu
16
mypy Type error for a class with an imported metaclass bug mypy got something wrong false-positive mypy gave an error on correct code priority-1-normal topic-metaclasses
#9185 opened Jul 21, 2020 by seanp2
15
List[<nothing>] error bug mypy got something wrong false-positive mypy gave an error on correct code priority-1-normal topic-type-context Type context / bidirectional inference topic-usability
#3283 opened Apr 29, 2017 by jcrmatos
14
Figure out story about diamond inheritance feature priority-1-normal
#1065 opened Dec 11, 2015 by gnprice
14
final TypedDict feature priority-1-normal topic-final PEP 591 topic-typed-dict
#7981 opened Nov 20, 2019 by crusaderky
14
Covariant type variables should be allowed in class method feature priority-1-normal
#6178 opened Jan 10, 2019 by saulshanabrook
14
Mypy doesn't recognize a class as iterable when it implements only __getitem__ feature priority-1-normal
#2220 opened Oct 5, 2016 by akaptur
1
14
Faster cache deserialization feature performance priority-1-normal
#3456 opened May 26, 2017 by JukkaL
13
Reject bound covariant type variable in an argument type bug mypy got something wrong priority-1-normal topic-type-variables
#734 opened Aug 9, 2015 by JukkaL
1
12
Reject method/function object used as a condition feature needs discussion priority-1-normal
#2073 opened Aug 31, 2016 by JukkaL
12
__hash__ = None generates an error needs discussion priority-1-normal topic-strict-optional
#4266 opened Nov 19, 2017 by bmerry
12
Recognize platform.system() as well as sys.platform feature good-second-issue priority-1-normal topic-runtime-semantics mypy doesn't model runtime semantics correctly
#8166 opened Dec 17, 2019 by brettcannon
2
12
ProTip! Find all open issues with in progress development work with linked:pr.