2 Pull requests merged by 2 people

• fix: prevent crash on dataclass with PEP695 TypeVarTuple on py3.13

  #19565 merged Aug 2, 2025

• Keep trivial instances and aliases during expansion

  #19543 merged Aug 1, 2025

2 Pull requests opened by 1 person

• refactor `visit_conditional_expr` to fix ternary behavior (option 2)

  #19562 opened Aug 1, 2025

• refactor `visit_conditional_expr` to fix ternary behavior (option 1)

  #19563 opened Aug 1, 2025

4 Issues closed by 3 people

• Generic dataclass with TypeVarTuple crashes Mypy

  #19559 closed Aug 2, 2025

• mypy error with generics typing and singledispatch

  #19564 closed Aug 2, 2025

• func-returns-value check is overly restrictive and prevents legitimate None-returning functions

  #19555 closed Aug 1, 2025

• crash for a very specific invocation of mypy: `assert isinstance(visitor, SyntheticTypeVisitor)`

  #19286 closed Aug 1, 2025

3 Issues opened by 2 people

• Type `mypy/config_parser.py` without `Any`

  #19566 opened Aug 2, 2025

• Irregular inference with ternary based on attribute.

  #19561 opened Aug 1, 2025

• `meet_types` gives unexpected results when meeting literal and Instance

  #19560 opened Aug 1, 2025

16 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.

• Fix #19491, crash when using enable_error_code value of wrong type in pyproject.toml

  #19494 commented on Aug 2, 2025 • 2 new comments

• Optimize bind_self() and deprecation checks

  #19556 commented on Aug 2, 2025 • 1 new comment

• Incorrect handling of overloads with `defaultdict` and `MutableMapping`

  #19525 commented on Aug 1, 2025 • 0 new comments

• `func-returns-value` false positive for union type?

  #19433 commented on Aug 1, 2025 • 0 new comments

• Type hint `__lt__` as `(self, other: Self) -> bool` makes mypy think that `__le__` is not supported.

  #16711 commented on Aug 1, 2025 • 0 new comments

• No `TypeVar` variable inference in ternary operators

  #18817 commented on Aug 1, 2025 • 0 new comments

• plugin point for `ClassDef`

  #18729 commented on Aug 1, 2025 • 0 new comments

• [regression] Type narrowing for through `not issubclass(…)` broken for union of TypeVar instance / types in 1.17

  #19529 commented on Aug 1, 2025 • 0 new comments

• Type narrowing of `TypeVar` with abstract bases classes causes `[return-value]` error

  #19530 commented on Aug 1, 2025 • 0 new comments

• Multiple extensions using `get_base_class_hook` interfere with each other

  #19524 commented on Aug 1, 2025 • 0 new comments

• Mypyc runtime TypeError exceptions when you change inherited method to a staticmethod

  #19558 commented on Aug 1, 2025 • 0 new comments

• Bare ClassVar should infer type instead of defaulting to Any

  #5587 commented on Aug 2, 2025 • 0 new comments

• Handle `__hash__ = None` in somewhat more intuitive fashion

  #19168 commented on Aug 1, 2025 • 0 new comments

• Do not display import-related errors after module-level always false assert

  #19347 commented on Aug 1, 2025 • 0 new comments

• [match-case] Fix narrowing of class pattern with union-argument.

  #19517 commented on Aug 1, 2025 • 0 new comments

• Move Windows tests from oldest to newest version

  #19545 commented on Aug 1, 2025 • 0 new comments