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
17 Open 7 Closed
17 Open 7 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

Proposal: treat "obvious" return type as annotated feature topic-inference When to infer types or require explicit annotations
#4409 opened Dec 25, 2017 by elazarg
46 ❤️ 1
Inferring an optional type when first initializer uses non-optional type false-positive mypy gave an error on correct code feature needs discussion priority-0-high topic-inference When to infer types or require explicit annotations
#1735 opened Jun 22, 2016 by JukkaL
6
[Bug] Using filter in itertools.chain makes them both infer wrong types. bug mypy got something wrong topic-inference When to infer types or require explicit annotations topic-join-v-union Using join vs. using unions
#8226 opened Jan 1, 2020 by Jackenmen
"Cannot determine type" if first assignment to attribute is unreachable bug mypy got something wrong topic-inference When to infer types or require explicit annotations topic-reachability Detecting unreachable code
#9709 opened Nov 9, 2020 by mthuurne
Mypy can't infer parameter types for nested function calls. topic-inference When to infer types or require explicit annotations
#8666 opened Apr 13, 2020 by MSK61
4
error: Right operand of "or" is never evaluated - although it is evaluated at some point bug mypy got something wrong topic-inference When to infer types or require explicit annotations topic-reachability Detecting unreachable code topic-strict-optional
#14120 opened Nov 17, 2022 by pcustic
3
Typing information lost while calling __iter__ bug mypy got something wrong topic-inference When to infer types or require explicit annotations topic-literal-types
#12446 opened Mar 25, 2022 by JulienPalard
2
lambda input type is Any when function type is a union, and no error when lambda does not satisfy any of the types in the union bug mypy got something wrong topic-inference When to infer types or require explicit annotations
#13036 opened Jun 28, 2022 by DetachHead
2
Incompatible type "Type[ImportError]"; expected "Type[Exception]" bug mypy got something wrong topic-inference When to infer types or require explicit annotations
#14443 opened Jan 13, 2023 by PeterJCLaw-mns
1
Empty dictionary argument is incompatible with union of mappings bug mypy got something wrong topic-inference When to infer types or require explicit annotations
#14804 opened Feb 28, 2023 by tobast
1
Generic matching error when tuple-unpacking result bug mypy got something wrong topic-inference When to infer types or require explicit annotations topic-type-variables topic-union-types
#16310 opened Oct 21, 2023 by msullivan
“Cannot infer type of lambda” using default parameter to recapture loop variable bug mypy got something wrong topic-inference When to infer types or require explicit annotations
#15459 opened Jun 18, 2023 by andersk
2
Using classmethod of generic alias of a generic type and --disallow-any-generics topic-inference When to infer types or require explicit annotations topic-type-alias TypeAlias and other type alias issues
#16982 opened Mar 4, 2024 by sobolevn
Mypy complains when [] is used for __slots__ definition bug mypy got something wrong topic-inference When to infer types or require explicit annotations topic-runtime-semantics mypy doesn't model runtime semantics correctly
#10870 opened Jul 25, 2021 by sobolevn
1
4
Confusing error message when setting item in a heterogeneous dict feature priority-1-normal topic-inference When to infer types or require explicit annotations topic-typed-dict topic-usability
#2900 opened Feb 24, 2017 by timabbott
10
Proposal: infer obvious parameters and return types feature topic-inference When to infer types or require explicit annotations
#10149 opened Feb 27, 2021 by jaraco
8
mypy doesn't infer **kwargs types from superclass feature topic-inference When to infer types or require explicit annotations topic-inheritance Inheritance and incompatible overrides
#10079 opened Feb 11, 2021 by rectalogic
5
ProTip! Add no:assignee to see everything that’s not assigned.