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

use base type as hint when inferring

Riolku opened this pull request almost 3 years ago

Support for PEP 646

erictraut opened this issue almost 3 years ago

`TypeVar` inside `ParamSpec` doesn't get inferred

squahtx opened this issue almost 3 years ago

(🐞) Wrong column number for "Invalid location for ParamSpec"

KotlinIsland opened this issue almost 3 years ago

(🐞) Wrong column number for `TypedDict.setdefault`

KotlinIsland opened this issue almost 3 years ago

Circular import under `if TYPE_CHECKING` breaks subclass initialization signature

jwodder opened this issue almost 3 years ago

(😕) `--allow-incomplete-defs` can be misleading and confusing

KotlinIsland opened this issue almost 3 years ago

Unexpected "incompatible type" error when chaining bytes(filter())

ion201 opened this issue almost 3 years ago

`mypy -` to read from stdin

shamrin opened this issue almost 3 years ago

mypy runs forever with colour-science

bersbersbers opened this issue almost 3 years ago

Incorrect "redundant cast" between total and partial dicts

alicederyn opened this issue almost 3 years ago

ImportError: cannot import name 'GenericAlias' from partially initialized module 'types'

12mohaned opened this issue almost 3 years ago

Support module-level `strict` config flag

icgood opened this pull request almost 3 years ago

Incompatible type when using ParamSpec

NeilGirdhar opened this issue almost 3 years ago

(🐞) `TypeGuard` is not captured or retained when passed through a higher order function

KotlinIsland opened this issue almost 3 years ago

`TypeVar` not narrowed when using `isinstance` or `issubclass` on `final` classes

DetachHead opened this issue almost 3 years ago

"unable to merge overloads" reported from site-packages

loganod opened this issue almost 3 years ago

(🎁) `final` class without a `__bool__` or `__len__` method can never test false

KotlinIsland opened this issue almost 3 years ago

Unexpected error behaviour: Parameterized generics cannot be used with class or instance checks

JohanSchott opened this issue almost 3 years ago

@final(TypedDict).get() with unknown key returns object instead of None

Dreamsorcerer opened this issue about 3 years ago

(🐞) false negative with `dataclass` "non-default argument follows default argument"

KotlinIsland opened this issue about 3 years ago

Cannot deduce generic type of bound TypeVar through Type of Union

bbatliner opened this issue about 3 years ago

Enum elements accessed via 'self' have 'auto' type

finite-state-machine opened this issue about 3 years ago

Incorrect type narrowing on union of `TypedDict`

Dreamsorcerer opened this issue about 3 years ago

SubtypeVisitor: treat ParamSpec as if it was a covariant TypeVar

Akuli opened this pull request about 3 years ago

Regression in testAsyncioGatherPreciseType

hauntsaninja opened this issue about 3 years ago

Various `dict` forms and subtypes not accepted as `TypedDict`

KotlinIsland opened this issue about 3 years ago

Allow Annotated to wrap Final and ClassVar

GBeauregard opened this issue about 3 years ago

Warn on unused cast result

KotlinIsland opened this issue about 3 years ago

Use union instead of join for unifying types

JelleZijlstra opened this issue about 3 years ago

Adding __init__ breaks type inference from __new__

last-partizan opened this issue about 3 years ago

Use pretty_callable for callables with non-positional args

97littleleaf11 opened this pull request about 3 years ago

Refactor checker.py

97littleleaf11 opened this issue about 3 years ago

Infer type of class variables from base classes

Timmmm opened this pull request about 3 years ago

Poor error message due to positional-or-keyword incompatibility

DanielNoord opened this issue about 3 years ago

Improve error message when using `TypeVar` in functions

Dreamsorcerer opened this issue about 3 years ago

Reachability/exhaustiveness checking for match statements

JukkaL opened this issue about 3 years ago

Attribute of type `A | B | None` becomes `object` after narrowing checks

bluetech opened this issue about 3 years ago

Strange case with deepcopy() and Literal[True]

jolaf opened this issue about 3 years ago

warn-unreachable false-positive when method updates attribute after assert

jwodder opened this issue about 3 years ago

`stubgen` should also include docstrings

robertaistleitner opened this issue about 3 years ago

Exclude not working properly for version 0.931

RemyLau opened this issue about 3 years ago

empty list inferred as `List[<nothing>]` when assigning to union of `list` types

DetachHead opened this issue about 3 years ago

Mypy reports incompatible types for an optional dataclass field with generic default factory

sagittarian opened this issue about 3 years ago

[mypyc] Add back __name__ attribute on nested functions

ichard26 opened this pull request about 3 years ago

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

Akuli opened this issue about 3 years ago

mypy doesn't take value restrictions into account when solving type variables

hauntsaninja opened this issue about 3 years ago

type-coverage reports presences of Anys on calls to isinstance, TypeError

alex opened this issue about 3 years ago

Basic ParamSpec Concatenate and literal support

A5rocks opened this pull request about 3 years ago

Generic types that use ParamSpec aren't callable

NeilGirdhar opened this issue about 3 years ago

Regression with type narrowing of bool

cdce8p opened this issue about 3 years ago

mypy always fails with Python 3.10 match statement

wrobell opened this issue about 3 years ago

mypy doesn't understand function signature compatibility

GBeauregard opened this issue about 3 years ago

Subscribe to the mypy blog via email

ardakuyumcu opened this issue about 3 years ago

Inline specification of `enable-error-code` silently ignored

PeterJCLaw opened this issue about 3 years ago

[mypyc] Fix unsupported operand + for AnyStr

MaxShvets opened this pull request about 3 years ago

"Statement is unreachable" false positive when calling `callable` on union with `object`

DetachHead opened this issue about 3 years ago

TypedDict tracking issue

97littleleaf11 opened this issue about 3 years ago

Sub-types of a union type need to be treated as covariant

Azureblade3808 opened this issue about 3 years ago

Type of conditional expression is object when using Protocol

carlosporta opened this issue about 3 years ago

Module aliasing not showing type hints

gitpushdashf opened this issue about 3 years ago

Mapping an iterable function to string comes up with incompatible type error

huntfx opened this issue about 3 years ago

`isinstance` doesn't work on type aliases that use a union

DetachHead opened this issue about 3 years ago

"Dynamic metaclass not supported" false positive on generics

DetachHead opened this issue about 3 years ago

Add --plugins command-line option

GergelyKalmar opened this issue about 3 years ago

Ensure TypeVarIds are unique

A5rocks opened this pull request about 3 years ago

Optional return type is not correctly handled when the function returns without the 'None' value

realharry opened this issue about 3 years ago

Overloaded metaclass __or__ does not keep typing

esoma opened this issue about 3 years ago

Problems passing around `TypedDict` and using it in `Union`.

ngnpope opened this issue about 3 years ago

Unable to remove Optional wrapper when using Mapping[str, str] instead of dict

ajhynes7 opened this issue about 3 years ago

Literal composition

Dreamsorcerer opened this issue about 3 years ago

isinstance check widens type

randolf-scholz opened this issue about 3 years ago

Mypy doesn't seem to use types from @overload-ed __sub__

mathialo opened this issue about 3 years ago

(🐞) false narrowing with reassignment in loop

KotlinIsland opened this issue about 3 years ago

No error when importing `typing.type_check_only`

KotlinIsland opened this issue about 3 years ago

update `ellipsis` type

DetachHead opened this pull request about 3 years ago

What if duck types are unions of all the ducklings

KotlinIsland opened this issue about 3 years ago

`type[T]` is not `() -> T`

KotlinIsland opened this issue over 3 years ago

Generic classes cause massive slowdown or hang

RobertCraigie opened this issue over 3 years ago

Error when running on code inside venv containing `typing-extensions`

kodek16 opened this issue over 3 years ago

Stubgen : Adding a print message on ignoring module <path>

noob8boi opened this pull request over 3 years ago

`type[Any]` not considered `Hashable`

KotlinIsland opened this issue over 3 years ago

(🐞) False positive for explicit `Any` with inferred `Type[type]`

KotlinIsland opened this issue over 3 years ago

calling `dataclass` as a function doesn't work

DetachHead opened this issue over 3 years ago

testcheck: Automated detection of .test files #8650

SwagatSBhuyan opened this pull request over 3 years ago

AttributeError: attribute 'arguments' of 'FuncDef' undefined

intgr opened this issue over 3 years ago

a joining of two types becomes `object` not a union

KotlinIsland opened this issue over 3 years ago

Warn when using deprecated functions (`warnings.warn`)

KotlinIsland opened this issue over 3 years ago

None-ness falsely assumed in loop

Akuli opened this issue over 3 years ago

bug: strict = true is incompatible with per-module configuration

adriangb opened this issue over 3 years ago

Add Error format support, and JSON output option

tusharsadhwani opened this pull request over 3 years ago

Now overloads with ambiguous `self` are handled properly

sobolevn opened this pull request over 3 years ago

stubgen: recognize qualified builtins decorators

JacekLach opened this pull request over 3 years ago

mypy deduces type as Optional after dict.get(x, x)

jspricke opened this issue over 3 years ago

Weird narrowing when using walrus operator in condition

freundTech opened this issue over 3 years ago

Non overlapping inclusion check for literal types

sami-evangelista opened this issue over 3 years ago

`functools.partial` assignment is ignored if a different type is used in a different branch

jwodder opened this issue over 3 years ago

Specifying to ignore python module in configuration file

james-riley678 opened this issue over 3 years ago

Add a strictness flag that disables the bivariant behavior of `TypeGuard`

KotlinIsland opened this issue over 3 years ago

Meta issue tracker

hauntsaninja opened this issue over 3 years ago