Issues

• empty directory among multiple targets aborts whole check

  bugtopic-usability
  python/mypy#22173 · Filter by author Zocker1999NET opened on Oct 10, 2026
  1

• Mypy 1.19.0 can't be installed on pypy

  bugtopic-usability
  python/mypy#20329 · Filter by author Spacetown opened on Nov 29, 2025
  3

• Clean-up get_proper_type() calls in fine-grained code

  topic-developertopic-fine-grained-incrementaltopic-usability
  python/mypy#19812 · Filter by author ilevkivskyi opened on Sep 8, 2025

• 1.16 regression: --warn-unused-ignore now complains in ignored-but-correct places

  bugpendingtopic-error-reportingtopic-type-ignoretopic-usability
  python/mypy#19237 · Filter by author asottile-sentry opened on Jun 4, 2025
  18

• Enable --pretty by default

  featuretopic-usability
  python/mypy#19108 · Filter by author JukkaL opened on May 18, 2025
  4

• Automatically detect when uv is being used

  featuretopic-usability
  python/mypy#18971 · Filter by author godalming123 opened on Apr 26, 2025
  5

• [regression] no type checking beyond perceived isinstance guard failure

  bugtopic-reachabilitytopic-usability
  python/mypy#18329 · Filter by author yonilerner opened on Dec 23, 2024
  4

• Cryptic error message for two generic callables with different variable binding

  bugtopic-type-variablestopic-usability
  python/mypy#17551 · Filter by author lemon24 opened on Jul 21, 2024
  2

• Detect if shell is in activated virtual environment, but mypy is not installed in it.

  featuretopic-usability
  python/mypy#17214 · Filter by author emmatyping opened on May 4, 2024

• Unclear error message: incompatible type "type[str]"; expected "Callable[[_T], _T]"

  topic-usability
  python/mypy#17026 · Filter by author Jacobfaib opened on Mar 14, 2024
  5

• Better message for overloaded functions with required kwargs

  featuretopic-overloadstopic-usability
  python/mypy#16528 · Filter by author lczyk opened on Nov 20, 2023

• Errors for incorrect type on **kwargs should give the name of the argument

  bugtopic-error-reportingtopic-overloadstopic-usability
  python/mypy#16490 · Filter by author tusharsadhwani opened on Nov 14, 2023
  4

• More-helpful typing errors with Generics and Callables

  featuretopic-error-reportingtopic-usability
  python/mypy#15522 · Filter by author tomhampshire opened on Jun 26, 2023

• Generate an optional error if __init__ has no annotation but class has annotations

  featuretopic-usability
  python/mypy#15126 · Filter by author JukkaL opened on Apr 25, 2023

• Method argument errors refer to method's class, not callee's

  bugtopic-error-reportingtopic-newtypetopic-usability
  python/mypy#14896 · Filter by author ikonst opened on Mar 14, 2023

• Typo in kwarg to overloaded function results in message about type mismatch

  bugtopic-overloadstopic-usability
  python/mypy#14895 · Filter by author cauebs opened on Mar 13, 2023
  1

• mypy rejects unpacking into same variable

  bugtopic-usability
  python/mypy#14786 · Filter by author PeterJCLaw opened on Feb 26, 2023
  3

• Misleading issue text when return type doesn't match type annotation

  topic-type-contexttopic-usability
  python/mypy#14773 · Filter by author tusharsadhwani opened on Feb 24, 2023
  1

• Better message for "Function ... could always be true"

  featuretopic-usability
  python/mypy#14529 · Filter by author JukkaL opened on Jan 26, 2023
  6

• Ignore CWD for explicit package bases

  featuretopic-configurationtopic-usability
  python/mypy#14269 · Filter by author greschd opened on Dec 9, 2022
  1

• Using mypy via pre-commit

  bugdocumentationpriority-0-hightopic-incrementaltopic-usability
  python/mypy#13916 · Filter by author hauntsaninja opened on Oct 17, 2022
  14

• (🐞) No color on operator in "Unsupported right operand type" error message

  bugtopic-error-reportingtopic-usability
  python/mypy#13233 · Filter by author KotlinIsland opened on Jul 25, 2022

• Inconsistency in reveal_type(some_type)

  bugtopic-reveal-typetopic-usability
  python/mypy#13062 · Filter by author denballakh opened on Jul 3, 2022
  1

• (🎁) Better error message when crash is caused by plugin

  featuretopic-pluginstopic-usability
  python/mypy#13007 · Filter by author KotlinIsland opened on Jun 22, 2022
  1

• Allow re-defined variables to span different scopes with allow-redefinition

  featuretopic-usability
  python/mypy#12968 · Filter by author DetachHead opened on Jun 11, 2022
  3