3 Pull requests merged by 2 people

• Prioritize .pyi from -stubs packages over bundled .pyi

  #19001 merged May 1, 2025

• Do not narrow types to Never with binder

  #18972 merged Apr 30, 2025

• Local forward refs should precede global forward refs

  #19000 merged Apr 30, 2025

6 Pull requests opened by 6 people

• Missing args callable

  #18990 opened Apr 28, 2025

• Bug fix of __r<magic_methods>__ being used under the same __<magic_method>__ hook

  #18995 opened Apr 28, 2025

• Add a few more tests for mypyc_attr native_class (dunder methods and metaclasses)

  #18999 opened Apr 29, 2025

• support for `strict_bytes` in stubtest

  #19002 opened Apr 30, 2025

• Attempt to fix Distribute Tuple False Positive bug

  #19005 opened Apr 30, 2025

• extended error messages for unnarrowed unions

  #19007 opened Apr 30, 2025

7 Issues closed by 4 people

• PEP 561 stub packages should take precedence over bundled `.pyi` stubs

  #18997 closed May 1, 2025

• Internal error when running check-classes.test with pytest

  #18994 closed Apr 30, 2025

• isinstance erases type info

  #12949 closed Apr 30, 2025

• mypy thinks value is `<nothing>` when it isn't

  #15793 closed Apr 30, 2025

• Change of binder behavior whan narrowing to unrelated type

  #18967 closed Apr 30, 2025

• Type-narrowing from parent to child class produces `Never` if inheriting from a concrete version of a generic parent class.

  #16494 closed Apr 30, 2025

• Regression related to forward reference and nested classes

  #18988 closed Apr 30, 2025

8 Issues opened by 8 people

• Incorrect type inference with `__radd__` of tuple subtype against literal tuples.

  #19006 opened Apr 30, 2025

• mypy --show-traceback --show-error-codes src/ tests/ failing

  #19004 opened Apr 30, 2025

• Overloaded `__init__` prevents type from being recognized as an attrs class

  #19003 opened Apr 30, 2025

• Crash with Generic Class and Dict

  #18996 opened Apr 29, 2025

• lru_cache classmethod: variable has type "Self" after assignment

  #18993 opened Apr 28, 2025

• Mypyc produces module that crashes (segmentation fault) when executed

  #18992 opened Apr 28, 2025

• Recent performance regressions

  #18991 opened Apr 28, 2025

• Mypy doesn't recognize `@staticmethod`-like decorator

  #18989 opened Apr 28, 2025

17 Unresolved conversations

Sometimes conversations happen on old items that aren’t yet closed. Here is a list of all the Issues and Pull Requests with unresolved conversations.

• Use checkmember.py to check protocol subtyping

  #18943 commented on Apr 30, 2025 • 9 new comments

• Prefer "own" type vars (owned by current function) when building "any of" constraints

  #18986 commented on Apr 28, 2025 • 0 new comments

• Add `dmypy watch` command

  #18985 commented on Apr 29, 2025 • 0 new comments

• stubgen: infer types for class attributes

  #18978 commented on Apr 29, 2025 • 0 new comments

• Type alias stubgen fix

  #18960 commented on Apr 29, 2025 • 0 new comments

• NoneType handling for str.format() with specifiers

  #18952 commented on Apr 30, 2025 • 0 new comments

• [PEP 747] Recognize TypeForm[T] type and values (#9773)

  #18690 commented on Apr 28, 2025 • 0 new comments

• Type checking fails to distribute across Tuple types

  #18922 commented on Apr 30, 2025 • 0 new comments

• 1.16 Release Planning

  #18739 commented on Apr 30, 2025 • 0 new comments

• Inference of Any against optional type infers Never

  #8829 commented on Apr 30, 2025 • 0 new comments

• A way to prevent MyPy from implictly checking the __r<magic method>__

  #18945 commented on Apr 30, 2025 • 0 new comments

• Explicit Variables Warning Issue

  #18927 commented on Apr 29, 2025 • 0 new comments

• Issues related to numpy

  #18343 commented on Apr 29, 2025 • 0 new comments

• Update PEP 561 examples with modern packaging

  #13901 commented on Apr 29, 2025 • 0 new comments

• Support infer_variance= parameter for TypeVar (PEP 695)

  #17811 commented on Apr 28, 2025 • 0 new comments

• Mypy is expecting `type[Never]` in context when it shouldn't

  #18968 commented on Apr 28, 2025 • 0 new comments

• Detect impossible unpacking?

  #18783 commented on Apr 28, 2025 • 0 new comments