10 Pull requests merged by 4 people

• Revert "Update project metadata for PEP 639 (#18821)"

  #19052 merged May 8, 2025

• Do not cache module lookup results that may become invalid in future

  #19044 merged May 7, 2025

• Only consider meta variables in ambiguous "any of" constraints

  #18986 merged May 6, 2025

• [mypyc] Add internal import for _PyUnicode_CheckConsistency for py 3.13

  #19045 merged May 6, 2025

• [mypyc] Show the reason why a class can't be a native class

  #19016 merged May 6, 2025

• Allow accessing __init__ on final classes and when __init__ is final

  #19035 merged May 5, 2025

• Mark varargs as pos-only

  #19022 merged May 5, 2025

• Enable colored output for argparse help in Python 3.14

  #19021 merged May 4, 2025

• Fix argparse for Python 3.14

  #19020 merged May 3, 2025

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

  #18999 merged May 2, 2025

18 Pull requests opened by 6 people

• Move dataclass kw_only fields to the end of the signature

  #19018 opened May 3, 2025

• Speed up bind_self() in trivial cases

  #19024 opened May 4, 2025

• Bind self-types in checkmember for decorated classmethods

  #19025 opened May 4, 2025

• Work in Progress CallableType usingpretty_callable_or_overload

  #19027 opened May 4, 2025

• Include walrus assignments in conditional inference

  #19038 opened May 5, 2025

• Allow adjacent conditionally-defined overloads

  #19042 opened May 6, 2025

• Generate dataclasses `__hash__` according to runtime semantics

  #19043 opened May 6, 2025

• Patch `check_op_reversible` to support `tuple` subclasses.

  #19046 opened May 6, 2025

• Add warn-unreachable to strict mode

  #19047 opened May 7, 2025

• Add a pseudo error code, `all`, which enables all error codes

  #19048 opened May 7, 2025

• add --strict-bytes to --strict

  #19049 opened May 7, 2025

• Enable warn_unreachable = True for `mypyc` and all other files as well

  #19050 opened May 8, 2025

• feat: proper weakref support

  #19056 opened May 8, 2025

• [docs] Update common_issues.rst: mention orjson in the Mypy slow section

  #19058 opened May 8, 2025

• [docs] Update common_issues.rst: update information about reveal type & locals

  #19059 opened May 8, 2025

• [docs] Include a real listing of the flags strict enables in the online documentation

  #19062 opened May 9, 2025

• Re-add documentation for formatting mypy --help text

  #19063 opened May 9, 2025

• [docs] CONTRIBUTING.md: specify bare infinitive instead of imperative

  #19064 opened May 9, 2025

17 Issues closed by 8 people

• Support total=False for protocols

  #5504 closed May 9, 2025

• `type[...]` objects don't support `__qualname__`

  #19060 closed May 9, 2025

• mypy should understand that setters can accept wider types than their getter returns

  #19057 closed May 9, 2025

• mypy failed to evaluate TypeVar in function parameter

  #18816 closed May 8, 2025

• `self` not considered positional-only when followed by `**kwargs`

  #19051 closed May 8, 2025

• Empty vs filled cache inconsistency for google-cloud-logging & google-cloud-pubsub together with `type: ignore` comments

  #19037 closed May 7, 2025

• Error about incompatible subclass of @final class

  #19033 closed May 5, 2025

• mypy accepts passing args= to a function taking *args

  #19019 closed May 5, 2025

• `platform.system` is not treated the same way as `sys.platform`

  #19039 closed May 5, 2025

• Mypy could not do condition inference

  #19029 closed May 5, 2025

• PEP-646 tuple unpacking does not interpret tuple as a fixed set of arguments

  #19030 closed May 5, 2025

• Incomplete function definition "compatible" with int

  #15261 closed May 4, 2025

• Implementation of annotated abstractmethod is typed as Any

  #15669 closed May 4, 2025

• warn redundant casts doesn't work with `Protocol.__call__`

  #12328 closed May 4, 2025

• `sqlalchemy.ext.mypy.plugin` causes internal error

  #19014 closed May 3, 2025

• IndexError: list index out of range

  #16674 closed May 3, 2025

• dmypy crashes every 2nd run when trying to update unlreated and unchanged numpy.compat

  #11009 closed May 3, 2025

12 Issues opened by 10 people

• __get__ is incorrectly inferred when overloaded using self

  #19065 opened May 9, 2025

• Should include a real listing of the flags strict enables in the online documentation.

  #19061 opened May 9, 2025

• Regression: false positive avoid redundant cast with literal union

  #19055 opened May 8, 2025

• Regression: descriptor not working in protocol

  #19054 opened May 8, 2025

• Overloads with Generics "does not accept all possible arguments"

  #19053 opened May 8, 2025

• Type narrowing not performed in walrus operator conditional

  #19036 opened May 5, 2025

• Explicit type declaration overridden/merged with Any

  #19034 opened May 5, 2025

• Add a new option for `stubtest`: `--ensure-runtime-generic`

  #19032 opened May 5, 2025

• False positive `[call-arg]` with `functools.partial` and `concurrent.futures.Executor.submit`

  #19028 opened May 5, 2025

• Return type is `Self` when calling an inherited decorated classmethod that returns `Self`

  #19023 opened May 4, 2025

• stubgen throws AssertionError for QuantLib

  #19031 opened May 3, 2025

• `kw_only` dataclass fields confuse mypy on argument order

  #19017 opened May 2, 2025

35 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.

• Add special support for `@django.cached_property` needed in `django-stubs`

  #18959 commented on May 4, 2025 • 5 new comments

• Make infer_condition_value recognize the whole truth table

  #18944 commented on May 2, 2025 • 2 new comments

• Missing args callable

  #18990 commented on May 7, 2025 • 1 new comment

• NoneType handling for str.format() with specifiers

  #18952 commented on May 2, 2025 • 1 new comment

• Use checkmember.py to check protocol subtyping

  #18943 commented on May 9, 2025 • 1 new comment

• Add experimental support for PEP 764 inline TypedDicts

  #18889 commented on May 7, 2025 • 1 new comment

• Support file-level assertions as inline configuration

  #19013 commented on May 2, 2025 • 0 new comments

• Allow returning Literals in __new__

  #15687 commented on May 5, 2025 • 0 new comments

• Change end line and column for untyped function defs to line of function definition

  #17006 commented on May 4, 2025 • 0 new comments

• Fix 2 Typos in docs

  #17455 commented on May 9, 2025 • 0 new comments

• Add `--strict-bool` flag to prohib treating `bool` as `int`

  #17487 commented on May 9, 2025 • 0 new comments

• Allow passing a callable with type vars in self types

  #18401 commented on May 3, 2025 • 0 new comments

• Add some functionality to misc/perf_compare.py

  #18471 commented on May 9, 2025 • 0 new comments

• [mypyc] Add primitive for bytes decode() method

  #18951 commented on May 6, 2025 • 0 new comments

• Extend special case for context-based typevar inference to typevar unions in return position

  #18976 commented on May 6, 2025 • 0 new comments

• Add `dmypy watch` command

  #18985 commented on May 4, 2025 • 0 new comments

• Attempt to fix Distribute Tuple False Positive bug

  #19005 commented on May 4, 2025 • 0 new comments

• Refactor: extract logic in Options.__init__ into helper methods

  #19011 commented on May 2, 2025 • 0 new comments

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

  #18992 commented on May 2, 2025 • 0 new comments

• Attributes without a default cannot follow attributes with one

  #17731 commented on May 2, 2025 • 0 new comments

• mypy doesn't escape typevars from generics in self-type

  #18400 commented on May 3, 2025 • 0 new comments

• Optional error code to flag missing return type when an argument has an annotation

  #15127 commented on May 3, 2025 • 0 new comments

• Slow typechecking on nested TypedDict with union members

  #17231 commented on May 3, 2025 • 0 new comments

• dict type incorrectly converted (widened?) to object via TypeVar and overload

  #16282 commented on May 4, 2025 • 0 new comments

• Non-inline `__init_subclass__` definition not recognized, despite giving type hints.

  #18987 commented on May 5, 2025 • 0 new comments

• Add truthy-coroutine check

  #16069 commented on May 5, 2025 • 0 new comments

• TYPE_CHECKING overload with implementation just outside flags second usage, but not first

  #19015 commented on May 6, 2025 • 0 new comments

• Issues related to numpy

  #18343 commented on May 6, 2025 • 0 new comments

• Incorrect type inference with `__radd__` with subclass of `tuple[int, ...]`

  #19006 commented on May 6, 2025 • 0 new comments

• Enable --warn-unreachable in --strict in Mypy 2.0

  #18078 commented on May 7, 2025 • 0 new comments

• Incompatible type "Type[ImportError]"; expected "Type[Exception]"

  #14443 commented on May 8, 2025 • 0 new comments

• Missing documentation for formatting `mypy --help` text

  #15555 commented on May 9, 2025 • 0 new comments

• Make sure all error codes are documented

  #15100 commented on May 9, 2025 • 0 new comments

• mypy cache bug in particular configuration of packages, files, and imports

  #15762 commented on May 9, 2025 • 0 new comments

• Incorrect stub generation for subclasses of `pydantic.BaseModel`

  #16968 commented on May 9, 2025 • 0 new comments