github.com/python/mypy issues | Ecosyste.ms: OpenCollective

Change the string representation of the bottom type from `<nothing>` to `typing.Never`

sirosen opened this issue over 1 year ago

Pattern matching: Type narrowing in sequence pattern not applied in guard

arvidfm opened this issue over 1 year ago

INTERNAL ERROR: Parameters cannot be constrained to (1.5.1) / AssertionError (HEAD)

sliedes opened this issue over 1 year ago

Do not advertise to create your own `assert_never` helper

sobolevn opened this pull request over 1 year ago

Crash with TypeVarTuple

mehdigmira opened this issue over 1 year ago

Use TypeVar refresh uniformly for class object access

ilevkivskyi opened this pull request over 1 year ago

Fix type arguments validation for variadic instances

ilevkivskyi opened this pull request over 1 year ago

Stubtest: fix another enum-related edge case

AlexWaygood opened this pull request over 1 year ago

Module 'typing_extensions' has no attribute 'Self'

gigabyterous opened this issue over 1 year ago

Suppress second error message with `:=` and `[truthy-bool]`

sobolevn opened this pull request over 1 year ago

"exclude" param doesn't work in toml settings

mshinkareva opened this issue over 1 year ago

Support `.value` inference for `Union` of enums

sobolevn opened this pull request over 1 year ago

(🐞) Heterogeneous `Enum`'s `.value` is `Any` & Union of homogeneous `Enum`s `.value` is `Any`

KotlinIsland opened this issue over 1 year ago

[mypyc] Add chr(int) and ord(str) primitives

ichard26 opened this pull request over 1 year ago

Unable to type check only specific submodule/subpackage.

RuRo opened this issue over 1 year ago

error when subclassing a generic class that implements __new__

cj81499 opened this issue over 1 year ago

My 1.5.1 gets confused when a class variable references a method from another class that returns `Self`.

benwah opened this issue over 1 year ago

Fix edge-case stubtest crashes when an instance of an `enum.Flag` that is not a member of that `enum.Flag` is used as a parameter default

AlexWaygood opened this pull request over 1 year ago

`ParamSpec` erases `Optional` when `no-strict-optional` is enabled

koogoro opened this issue over 1 year ago

Treat type inference which produces `<nothing>` as an error or warning under `--strict` mode

sirosen opened this issue over 1 year ago

Type inference issue with match expression in generic functions

myuanz opened this issue over 1 year ago

Crash on generic class with experimental TypeVarTuple support

yakMM opened this issue over 1 year ago

install library which uses `contextmanager` function treated as having no __enter__ or __exit__ method.

tacozMacleo opened this issue over 1 year ago

Mypy crashes with pydantic plugin enabled: Must not defer during final iteration

SoptikHa2 opened this issue over 1 year ago

Fix inference for properties with __call__

hauntsaninja opened this pull request over 1 year ago

set[T] can't be passed to a function expecting set[T | U]

jgarvin opened this issue over 1 year ago

Streamline some elements of variadic types support

ilevkivskyi opened this pull request over 1 year ago

mypyc-related stubtest crash

srittau opened this issue over 1 year ago

No overload variant of "astype" of "Series" matches argument types "Type[int]", "str"

nbro10 opened this issue over 1 year ago

Class `__get__` method is not working for generic specialization overload cases

uriyyo opened this issue over 1 year ago

Fix `assert_type` failures when some nodes are deferred

sobolevn opened this pull request over 1 year ago

Mypy 1.6 Release Planning

koogoro opened this issue over 1 year ago

Sync typeshed for 1.6

koogoro opened this pull request over 1 year ago

warn_unreachable false positive when reassigning in loop

Garrett-R opened this issue over 1 year ago

Mypy doesn't narrow down the type in an else block

johndoknjas opened this issue over 1 year ago

dataclass.replace: allow transformed classes

ikonst opened this pull request over 1 year ago

False positive with strict_optional disabled just in submodule

Garrett-R opened this issue over 1 year ago

Lenient handling of trivial Callable suffixes

ilevkivskyi opened this pull request over 1 year ago

(🎁) `StubGenerator.add_typing_import` returns the name

KotlinIsland opened this pull request over 1 year ago

no error when `contextmanager` decorator is above `staticmethod` decorator

DetachHead opened this issue over 1 year ago

More principled approach for callable vs callable inference

ilevkivskyi opened this pull request over 1 year ago

More principled solution for universal quantificatoin of non-Callable types

ilevkivskyi opened this issue over 1 year ago

Experiment with backtracking in the new solver

ilevkivskyi opened this issue over 1 year ago

Use new type inference as a primary mechanism

ilevkivskyi opened this issue over 1 year ago

Enable --new-type-inference by default

ilevkivskyi opened this issue over 1 year ago

Allow Ellipsis in Concatenate; cleanup ParamSpec literals

ilevkivskyi opened this pull request over 1 year ago

False positive with assignment expression shadowing a builtin

eltoder opened this issue over 1 year ago

Support self-types containing ParamSpec

ilevkivskyi opened this pull request over 1 year ago

Product output for all files checked

samskiter opened this issue over 1 year ago

Incompatible type reported for (supposedly valid) self-referential type

pfaion opened this issue over 1 year ago

`explicit-override` false positive when overriding property with setter

DetachHead opened this issue over 1 year ago

False positive: subclass method of overloaded function

SubaruArai opened this issue over 1 year ago

Basic support for decorated overloads

ilevkivskyi opened this pull request over 1 year ago

Crash with --enable-incomplete-feature=Unpack and sliced numpy arrays.

gatoniel opened this issue over 1 year ago

Infer ParamSpec constraint from arguments

ilevkivskyi opened this pull request over 1 year ago

narrowed variable does not work when used as default value

DetachHead opened this issue over 1 year ago

Wrong type evaluated when applying decorator returning a Protocol that uses a concatenated ParamSpec

erictraut opened this issue over 1 year ago

Fix subtyping between ParamSpecs

ilevkivskyi opened this pull request over 1 year ago

Crashes for created TypedDicts from unpacked dictionaries when creating reports

md384 opened this issue over 1 year ago

Programmatic Access to Extract Type Information with mypy

nashid opened this issue over 1 year ago

Make `None` compatible with `SupportsBool` protocol

blablatdinov opened this pull request over 1 year ago

stubgen: Add typings of keys and values of dict (__members__, __entries)

jasminlapalme opened this issue over 1 year ago

dataclasses: optional generic fields with non-None defaults

eltoder opened this issue over 1 year ago

False positive when using coroutines and generics

Apakottur opened this issue over 1 year ago

mypi has not been updated to 1.5.1

timsoftgit opened this issue over 1 year ago

__init__.py:1: error: invalid syntax error on empty __init__.py

jainal09 opened this issue over 1 year ago

Add hint for AsyncIterator incompatible return type

ikonst opened this pull request over 1 year ago

Improve match narrowing and reachability analysis

hauntsaninja opened this pull request over 1 year ago

[dmypy] special case stdout and stderr in show_stats too

svalentin opened this pull request over 1 year ago

Fix: Exit if any config error

cibinmathew opened this pull request over 1 year ago

Polymorphic inference: basic support for variadic types

ilevkivskyi opened this pull request over 1 year ago

Missing return statement error using enums and match

bradleyneumaier opened this issue over 1 year ago

pyproject.toml requires mypy 1.4.0-1.5.0 + mypycify in setup.py: failure (AssertionError)

mr-c opened this issue over 1 year ago

Reword the error message related to void functions

atugushev opened this pull request over 1 year ago

Fix all the missing references found within the docs

atugushev opened this pull request over 1 year ago

Narrowing a union of TypedDicts during construction

tungol opened this issue over 1 year ago

1.5.0 regression: `register` enum member typed as callable

The-Compiler opened this issue over 1 year ago

[match-case] `unreachable` raised multiple times instead of once.

randolf-scholz opened this issue over 1 year ago

Skip overlapping overload check at large overload counts

hauntsaninja opened this pull request over 1 year ago

MyPy forgets callable type guard in lambda in return statement of function with hinted return type

lukas-lang opened this issue over 1 year ago

Narrowing `dict | Literal` does not work in Mypy 1.5.0

zroug opened this issue over 1 year ago

Allow Annotated to wrap NotRequired in a TypedDict definition.

bsmedberg-xometry opened this pull request over 1 year ago

false positive: `functools.lru_cache()` breaks `assert_type(..., SomeEnum)`

finite-state-machine opened this issue over 1 year ago

Version 1.5.0 breaks argpare.parse_args(namespace)

kovidgoyal opened this issue over 1 year ago

Allow None vs TypeVar overlap for overloads

ilevkivskyi opened this pull request over 1 year ago

Add option to selectively disable --disallow-untyped-calls

ilevkivskyi opened this pull request over 1 year ago

regression with Generic/ParamSpec between 1.4.1 and 1.5.0

jessemyers-lettuce opened this issue over 1 year ago

Custom dataclasses are not recognized as dataclasses

NeilGirdhar opened this issue over 1 year ago

Polymorphic inference: support for parameter specifications and lambdas

ilevkivskyi opened this pull request over 1 year ago

Protocol with nested class

finswimmer opened this issue over 1 year ago

Type annotations for Python Builtin api

yaitskov opened this issue over 1 year ago

mypy does not recognize `+1` as valid for `Literal[-1, 1]`

bersbersbers opened this issue over 1 year ago

Read/write property does not work with "allow_interpreted_subclasses"

feibl opened this issue over 1 year ago

Callable protocol does not infer generic parameters

devsnek opened this issue over 1 year ago

reachability: handle identity (`is`/`is not`) comparisons that are never True

uSpike opened this issue over 1 year ago

Taking into account an existence of a class docstring

m-aciek opened this issue over 1 year ago

Crash on complicated ParamSpec usage

bersbersbers opened this issue over 1 year ago

dmypy Crash: `AttributeError: attribute 'mro' of 'TypeInfo' undefined`

CoolCat467 opened this issue over 1 year ago

mypy thinks that instance variables that implement the descriptor protocol are invoked when accessing them

glyph opened this issue over 1 year ago

Edge case: `mypy` ignores `Never` being passed as an argument to another function.

randolf-scholz opened this issue over 1 year ago