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

`reveal_type` doesn't produce any output for `<nothing>`-types

randolf-scholz opened this issue over 1 year ago

stubgen: print ignored module paths

AlpAribal opened this pull request over 1 year ago

[ENH] Create an option `--warn-never-instance` such that creation of instances of `Never` is treated as an error.

randolf-scholz opened this issue over 1 year ago

`.pyi` file not detected for single `.py` file in site-packages

brettcannon opened this issue over 1 year ago

Exact same signature as what mypy expects, yet it still complains about a mismatch

nawarnoori opened this issue over 1 year ago

Update black pre-commit mirror link

cdce8p opened this pull request over 1 year ago

Input argument in new method incorrectly reports that its type is not defined even though it was imported

spacether opened this issue over 1 year ago

New type inference: add support for upper bounds and values

ilevkivskyi opened this pull request over 1 year ago

Using a generic class with inherited types causes [arg-type] error

ivan-gj opened this issue over 1 year ago

socket: add TCP_USER_TIMEOUT

sshane opened this pull request over 1 year ago

Unexpected mypy error for type-hints with generic types and inheritance

markuspinter opened this issue over 1 year ago

Wrong type inferrance on "and" operator

le-chartreux opened this issue over 1 year ago

`IO[Any]` is not inferred as the supertype of `IO[str]` and `IO[bytes]` in condional expression `v = iostr if x else iobytes`

MestreLion opened this issue over 1 year ago

Using Self with __init_subclass__ uses the base class as Self rather than the class being defined

chrisbouchard opened this issue over 1 year ago

[attr-defined] for attribute defined in __new__

Hocnonsense opened this issue over 1 year ago

Passing a list of tuples with an optional parameter works with 1 multiplier, not 2

rickwierenga opened this issue over 1 year ago

INTERNAL ERROR: AssertionError: ClassDef is lacking info

martinky24 opened this issue over 1 year ago

False negative: Incorrect return type overlooked when it is an alias to Union[T, …]

lukasjuhrich opened this issue over 1 year ago

(🐞) `dmypy` arg parsing is inconsistent and confusing

KotlinIsland opened this issue over 1 year ago

(🐞) `dmypy` doesn't show `ignore-without-code` errors after file chages

KotlinIsland opened this issue over 1 year ago

Cannot unify universally-quantified type with a more specific but compatible type

vthemelis opened this issue over 1 year ago

There should be a rule to disallow untyped function parameters but allow return type inference

ringeringeraja opened this issue over 1 year ago

reduce frequency of pre-commit.ci autoupdate PRs

AlexWaygood opened this pull request over 1 year ago

Feature request: flag attributes set in `__init__` but not `__setstate__`

rhelmot opened this issue over 1 year ago

[pre-commit.ci] pre-commit autoupdate

pre-commit-ci[bot] opened this pull request over 1 year ago

(🐞) `dmypy recheck --update` crashes

KotlinIsland opened this issue over 1 year ago

(🐞) `dmypy inspect` says `Unknown module` with multiple `run`s

KotlinIsland opened this issue over 1 year ago

mypy thinks value is `<nothing>` when it isn't

zevbo opened this issue over 1 year ago

Sync typeshed

github-actions[bot] opened this pull request over 1 year ago

'Module "typing" has no attribute "_SpecialGenericAlias"' and 'Module "typing" has no attribute "_TupleType"'

gorkaerana opened this issue over 1 year ago

[overload][intersection-types] undetected LSP violation in multiple inheritance

randolf-scholz opened this issue over 1 year ago

Error on dict.update when using literals vs strings as keys

armisael opened this issue over 1 year ago

MyPy does not understand types exclusion using operator "is"

socketpair opened this issue over 1 year ago

False positive on "__imul__" and "__mul__" signatures

mttbernardini opened this issue over 1 year ago

Mypy mistakes instance attrs for class attrs?

poneill opened this issue over 1 year ago

error: "x" does not return a value [func-returns-value]

alexei opened this issue over 1 year ago

Update pre-commit deps

sobolevn opened this pull request over 1 year ago

Change `tuple[]` repr to `tuple[()]`

sobolevn opened this pull request over 1 year ago

Incorrect type repr of empty tuples and namedtuples

sobolevn opened this issue over 1 year ago

(🐞) `dmypy inspect` doesn't select the right file with multiple files with same name

KotlinIsland opened this issue over 1 year ago

(🐞) `dmypy inspect` doesn't support windows drive paths `c:\`

KotlinIsland opened this issue over 1 year ago

Generic class constructors are not properly identified as functions

alexchandel opened this issue over 1 year ago

Allow nested classes in `NamedTuple` bodies

sobolevn opened this pull request over 1 year ago

`NamedTuple`s cannot have nested classes

sobolevn opened this issue over 1 year ago

no error `__future__.annotations` is imported, targeting python 3.8 and subscripting `type` in a position where it gets evaluated at runtime

DetachHead opened this issue over 1 year ago

Allow setting a final instance attribute in `__set_name__`?

tyralla opened this issue over 1 year ago

stubgen: unify C extension and pure python stub generators with object oriented design

chadrik opened this pull request over 1 year ago

staticmethod wrapped around function sets first TypeVar argument to class name

b-kamphorst opened this issue over 1 year ago

`"object" has no attribute "append"` when adding list to untyped dict

LordAro opened this issue over 1 year ago

Use emit_lines instead of bunches of emit_line calls

nickdrozd opened this pull request over 1 year ago

Fix type narrowing of `== None` and `in (None,)` conditions

intgr opened this pull request over 1 year ago

Mypy performs wrong narrowing with `== None` and `in (None,)` conditions

intgr opened this issue over 1 year ago

TypeVar declared at class scope with generic bound specialized on an in-scope generic parameter TypeVar doesn't give an error

glyph opened this issue over 1 year ago

New type inference: complete transitive closure

ilevkivskyi opened this pull request over 1 year ago

Wrong type inference when using a decorator returning a Protocol that uses a concatenated ParamSpec

vxgmichel opened this issue over 1 year ago

Unpacking an iterable in a list comprehension leads to the type inferred as list[Any]

hvenev opened this issue over 1 year ago

feat: make checklist in PR template interactable

hamirmahal opened this pull request over 1 year ago

feat: auto-hide instructions when submitting

hamirmahal opened this pull request over 1 year ago

automatically hide issue instructions when submitting a new issue

hamirmahal opened this issue over 1 year ago

feat: add `pip install` suggestion

hamirmahal opened this pull request over 1 year ago

Wrapped overloaded function drops all but the first overload

maffoo opened this issue over 1 year ago

Unsupported converter, only named functions, types and lambdas are currently supported with higher-order function

ericbn opened this issue over 1 year ago

fix: string subclass overriding eq

nucccc opened this pull request over 1 year ago

Inference failure with Protocol and ParamSpec

mtomassoli opened this issue over 1 year ago

Feature: Reduce Mypy's Cache Size

dosisod opened this issue over 1 year ago

Stubtest: error if typeshed is missing modules from the stdlib

AlexWaygood opened this pull request over 1 year ago

[mypyc] Emit errors for unsupported class defs (and don't crash)

ichard26 opened this pull request over 1 year ago

Stubtest: don't error if a module in a `tests/` directory is missing from the stub

AlexWaygood opened this pull request over 1 year ago

[mypyc] Fix compilation of unreachable comprehensions

ichard26 opened this pull request over 1 year ago

[mypyc] Don't crash on non-inlinable final local reads

ichard26 opened this pull request over 1 year ago

Mypyc crashes on conditionally-defined class

nickdrozd opened this issue over 1 year ago

'Missing return statement' error when AsyncExitStack is used

asvetlov opened this issue over 1 year ago

Experiment with intersection on TypeVars

A5rocks opened this pull request over 1 year ago

Narrow TypeVars in the negative case + narrow them through upper bounds

A5rocks opened this pull request over 1 year ago

How to describe types for an Enum with attributes

dkfellows opened this issue over 1 year ago

mypy --install-types Usability Issue

12rambau opened this issue over 1 year ago

Iterator evaluators (e.g. `any`) don't erase types when in conjunction with `Never` functions

Keyacom opened this issue over 1 year ago

Fix inheriting from generic @frozen attrs class

ikonst opened this pull request over 1 year ago

TypedDict 'in' narrowing w/o @final

ikonst opened this pull request over 1 year ago

TypedDict 'in' narrowing w/o @final

ikonst opened this issue over 1 year ago

Document TypedDict 'in' narrowing

ikonst opened this issue over 1 year ago

Fix inference for attrs.fields

hauntsaninja opened this pull request over 1 year ago

Allow returning Literals in __new__

Gobot1234 opened this pull request over 1 year ago

Possible `truthy-bool` false positive with `:=`

sobolevn opened this issue over 1 year ago

Supporting runtime checked cast functions for generic types

tilsche opened this issue over 1 year ago

dmypy not reporting an issue that mypy finds

brettcannon opened this issue over 1 year ago

Implementation of annotated abstractmethod is typed as Any

anentropic opened this issue over 1 year ago

Crash: decorator using TypeVarTuple

shaunc opened this issue over 1 year ago

Better fill invalid generic instances

cdce8p opened this pull request over 1 year ago

(🎁) Support setter defined on subtype

KotlinIsland opened this issue over 1 year ago

type_narrowing.rst: document lack of "second degree" analysis

ikonst opened this issue over 1 year ago

Narrow `is` with final types correctly

sobolevn opened this pull request over 1 year ago

Support enum Literals in the enum plugin

A5rocks opened this pull request over 1 year ago

pre-commit mirrors-mypy does not report correct error

ZhiyuanChen opened this issue over 1 year ago

Crash with TypeVarTuple feature enabled

wrobell opened this issue over 1 year ago

Narrowing doesn't work on a typevar with a union bound

eltoder opened this issue over 1 year ago

stubgen: generate valid dataclass stubs

hamdanal opened this pull request over 1 year ago

stubgen: multiple fixes to the generated imports

hamdanal opened this pull request over 1 year ago

Clarification regarding dmypy and "one set of source files"

dfarley1 opened this issue over 1 year ago

Protocol for an instance method taking a `self` argument

Kludex opened this issue over 1 year ago