13 Pull requests merged by 8 people

• Add missing lineno to yield from with wrong type

  #18518 merged Jan 23, 2025

• Bump version to 1.16.0+dev

  #18509 merged Jan 23, 2025

• Fix isinstance with explicit (non generic) type alias

  #18512 merged Jan 23, 2025

• pytest options moved into pyproject.toml

  #18501 merged Jan 23, 2025

• Hint at argument names when formatting callables with compatible return types in error messages

  #18495 merged Jan 22, 2025

• Better names of and more compatibility between ad hoc intersections of instances

  #18506 merged Jan 22, 2025

• [mypyc] Reduce impact of immortality on reference counting performance

  #18459 merged Jan 21, 2025

• Infer correct types with overloads of Type[Guard | Is]

  #17678 merged Jan 21, 2025

• Walk up for all config files and handle precedence

  #18482 merged Jan 20, 2025

• [stubgen] Improve dataclass init signatures

  #18430 merged Jan 19, 2025

• Document any TYPE_CHECKING name works

  #18443 merged Jan 19, 2025

• Use a dict to keep track of TypedDict fields in semanal

  #18369 merged Jan 17, 2025

• [mypyc] Fixing __init__ for classes with @attr.s(slots=True).

  #18447 merged Jan 17, 2025

10 Pull requests opened by 5 people

• Use new Github actions ARM runners for tests

  #18483 opened Jan 17, 2025

• Retain None (unreachable) when typemap is None with `type(x) is Foo` check

  #18486 opened Jan 18, 2025

• [stubgen] Include simple decorators in stub files

  #18489 opened Jan 19, 2025

• Disallow inline config of Python version

  #18497 opened Jan 21, 2025

• Ignore overload impl when checking __OP__ and __rOP__ compatibility

  #18502 opened Jan 21, 2025

• Consider property access from class objects in checkmember.py

  #18504 opened Jan 21, 2025

• Support properties with setter type different from getter type

  #18510 opened Jan 22, 2025

• Allow redefinitions in except/else/finally

  #18515 opened Jan 23, 2025

• [mypyc] Calling tp_finalize from tp_dealloc.

  #18519 opened Jan 23, 2025

• Improve inference in tuple multiplication plugin

  #18521 opened Jan 24, 2025

20 Issues closed by 7 people

• (🎁) Support setter defined on subtype

  #15654 closed Jan 24, 2025

• Missing line number for `yield from` an invalid type

  #18517 closed Jan 23, 2025

• reveal_type not run in "unreachable" branches

  #18423 closed Jan 23, 2025

• [regression] isinstance complains about parametrized generics with any use of TypeAlias

  #18488 closed Jan 23, 2025

• None-ness falsely assumed in loop

  #11430 closed Jan 22, 2025

• mypy thinks variable is None even if assigned non-None value inside loop

  #11900 closed Jan 22, 2025

• error: Right operand of "or" is never evaluated - although it is evaluated at some point

  #14120 closed Jan 22, 2025

• Detect bool expressions assigned to int variables

  #18500 closed Jan 22, 2025

• Misleading error message when using ParamSpec with higher-order decorators and async functions

  #18493 closed Jan 22, 2025

• Mypyc KeyError: mypy.nodes.MemberExpr

  #17794 closed Jan 22, 2025

• False-positive "Overloaded function signatures overlap with incompatible return types"

  #14770 closed Jan 22, 2025

• Cannot access custom property of union type

  #9053 closed Jan 21, 2025

• mypy thinks properties on a class (not an instance) are callable

  #18490 closed Jan 21, 2025

• Overloads not resolved correctly when argument is `Any` and return types use `TypeGuard` or `TypeIs`

  #17579 closed Jan 21, 2025

• Implement monorepo-friendly mypy.ini discovery rule

  #16070 closed Jan 20, 2025

• `mypy` does not infer that a string `Literal` is a `str` in the context of a `dict` or `Mapping`

  #18494 closed Jan 20, 2025

• False positive when using `Self` as the return type with multiple base classes

  #17704 closed Jan 19, 2025

• mypy does not automatically install types-seaborn despite package being in typeshed

  #18485 closed Jan 19, 2025

• `types-setuptools`'s `distutils-stubs` is ignored in favor of `stdlib/distutils`

  #18484 closed Jan 18, 2025

• Docs for `--install-types` do not explain `no mypy cache directory` error

  #10863 closed Jan 17, 2025

16 Issues opened by 14 people

• incorrect end column for unreachable if statements

  #18522 opened Jan 24, 2025

• structurally equivalent namedtuples can confuse mypy in unions in some cases

  #18520 opened Jan 23, 2025

• Make each assignment to define a distinct variable with independent type

  #18516 opened Jan 23, 2025

• Redefinition doesn't work in `else` branch of `try`

  #18514 opened Jan 23, 2025

• Decorating `__init__()` with a class decorator is not supported

  #18513 opened Jan 23, 2025

• mypy duplicates `reveal_type` notes with partial types

  #18511 opened Jan 22, 2025

• Make it possible to obtain non-type arguments in type analyze plugin hooks

  #18508 opened Jan 22, 2025

• Crash if a class is generic over a PEP-695 parameter that has the same name as an old-style `TypeVar` that is also in scope and the old-style TypeVar has a bound which uses an unquoted forward reference

  #18507 opened Jan 22, 2025

• Mypy hangs on recursive `type` keyword in combination with an unresolved type name

  #18505 opened Jan 22, 2025

• TypeVar in higher order decorator with type alias not resolved properly

  #18503 opened Jan 21, 2025

• Arithmetic operarators are not available in methods of generic classes

  #18499 opened Jan 21, 2025

• Different overlap checking between `__mul__` and `__rmul__`

  #18498 opened Jan 21, 2025

• mypy infers `Any` for numpy 2.2.2. expressions that worked with 2.2.1

  #18496 opened Jan 21, 2025

• False narrowing with repeated assignment inside if resulting in bad false negative

  #18492 opened Jan 20, 2025

• Enum `_ignore_`'d names and private names are treated like normal members

  #18491 opened Jan 20, 2025

• 1.15 Release Tracking Issue

  #18487 opened Jan 19, 2025

22 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.

• PEP 702 (@deprecated): "normal" overloaded methods

  #18477 commented on Jan 20, 2025 • 12 new comments

• Fix typos discovered by codespell

  #18387 commented on Jan 21, 2025 • 2 new comments

• Fix: Handle Trailing Commas and Empty Strings in File Paths

  #18472 commented on Jan 17, 2025 • 0 new comments

• Introduce temporary named expressions for `match` subjects

  #18446 commented on Jan 20, 2025 • 0 new comments

• Allow passing a callable with type vars in self types

  #18401 commented on Jan 21, 2025 • 0 new comments

• Implement support for "mypy: ignore" comments

  #17875 commented on Jan 21, 2025 • 0 new comments

• Improve match statement union narrowing/inference

  #17600 commented on Jan 22, 2025 • 0 new comments

• Mypy Self Checking Should Enable --warn-unreachable

  #18079 commented on Jan 24, 2025 • 0 new comments

• warn-unreachable behaves differently on else-return than on bare return

  #10773 commented on Jan 24, 2025 • 0 new comments

• Connection to TypeVar bound to Union is lost after returning Self from method

  #16826 commented on Jan 23, 2025 • 0 new comments

• Infer union from conditional definition in if statement

  #6233 commented on Jan 23, 2025 • 0 new comments

• Allow variable redefinition if lifetimes don't overlap

  #6232 commented on Jan 23, 2025 • 0 new comments

• False positive `unreachable` when variable is set and reset inside loop

  #14987 commented on Jan 23, 2025 • 0 new comments

• Issues related to numpy

  #18343 commented on Jan 21, 2025 • 0 new comments

• Annotating the decorator with arguments that works for both sync/async methods

  #17172 commented on Jan 21, 2025 • 0 new comments

• Inline configuration for a newer Python version crashes for union syntax on types (PEP 604)

  #18450 commented on Jan 21, 2025 • 0 new comments

• TypedDict does not support type refinement in subclasses

  #7435 commented on Jan 19, 2025 • 0 new comments

• internal server error - dmypy daemon crashed

  #18396 commented on Jan 19, 2025 • 0 new comments

• Mypy rolls back to broader type after assert isinstance

  #14536 commented on Jan 18, 2025 • 0 new comments

• Dict's .get() method doesn't limit possible types of the given element

  #12457 commented on Jan 18, 2025 • 0 new comments

• mypy.ini parsing trailing comma causes duplicate module error

  #11171 commented on Jan 17, 2025 • 0 new comments

• False-positive type errors when passing **kwargs to a function that has other keyword args

  #18481 commented on Jan 17, 2025 • 0 new comments