Issues

• Cannot instantiate type "Type[None]"

  buggood-first-issue
  python/mypy#19660 · Filter by author wyattscarpenter opened on Aug 14, 2025
  7

• await-not-async missed & false alarms with genexp and list comprehensions

  buggood-first-issuetopic-asynctopic-runtime-semantics
  python/mypy#18124 · Filter by author jakkdl opened on Nov 7, 2024
  5

• Mypy signals error with Protocol and __rpow__ method with three arguments

  buggood-first-issuetopic-protocols
  python/mypy#10786 · Filter by author posita opened on Jul 8, 2021
  5

• Stubgen skips "vendor" directory

  buggood-first-issuetopic-stubgen
  python/mypy#9599 · Filter by author ericstarr opened on Oct 15, 2020
  3

• Generate better error message for incompatible **kwargs

  good-first-issuepriority-1-normaltopic-callstopic-usability
  python/mypy#8874 · Filter by author JukkaL opened on May 22, 2020
  11

• Bad error message: mypy reports 'Name is not defined' when using an object member as super class of another class

  good-first-issuepriority-2-low
  python/mypy#8603 · Filter by author sandrinr opened on Mar 30, 2020
  25

• Better message if override violates Liskov substitution principle

  documentationgood-first-issuepriority-1-normaltopic-usability
  python/mypy#7994 · Filter by author JukkaL opened on Nov 21, 2019
  8

• PEP 572: Test interaction with --allow-redefinition

  good-first-issuetopic-pep-572topic-tests
  python/mypy#7314 · Filter by author JelleZijlstra opened on Aug 10, 2019
  4

• Make command line tests faster

  good-first-issuepriority-0-hightopic-developertopic-tests
  python/mypy#5966 · Filter by author JukkaL opened on Nov 28, 2018
  10