Unlabeled

topic-paramspec

PEP 612, ParamSpec, Concatenate

affects-mypyc

affects-typeshed

Anything that blocks a typeshed change

assert-type

assert_type()

bug

mypy got something wrong

crash

deferred

diagnostics

documentation

false-positive

mypy gave an error on correct code

feature

good-first-issue

good-second-issue

meta

Issues tracking a broad area of work

needs discussion

pending

Issues that may be closed

performance

priority-0-high

priority-1-normal

priority-2-low

question

refactoring

Changing mypy's internals

semantic-analyzer

Problems that happen during semantic analysis

size-large

size-medium

size-small

topic-__all__

Dealing with __all__

topic-async

async, await, asyncio

topic-attrs

topic-calls

Function calls, *args, **kwargs, defaults

topic-casts

topic-configuration

Configuration files and flags

topic-daemon

dmypy

topic-dataclass-transform

PEP 681

topic-dataclasses

topic-depends-on-pep-change

topic-descriptors

Properties, class vs. instance attributes

topic-developer

Issues relevant to mypy developers

topic-disallow-any

The disallow-any-* family of flags

topic-enum

topic-error-reporting

How we report errors

topic-final

PEP 591

topic-fine-grained-incremental

topic-implicit-reexport

The --no-implicit-reexport option

topic-import-cycles

topic-incremental

topic-inference

When to infer types or require explicit annotations

topic-inheritance

Inheritance and incompatible overrides

topic-join-v-union

Using join vs. using unions

topic-literal-types

topic-literalstring

PEP 675

topic-match-statement

Python 3.10's match statement

topic-metaclasses

topic-mypyc

mypyc bugs

topic-named-tuple

topic-newtype

NewType

topic-overlap

Overlapping equality check

topic-overloads

topic-parser

topic-partially-defined

partially-defined error code

topic-pep-484

topic-pep-561

topic-pep-572

PEP 572 (walrus operator)

topic-pep-585

PEP 585 (builtin generics)

topic-pep-604

PEP 604 (union | operator)

topic-pep-646

PEP 646 (TypeVarTuple, Unpack)

topic-plugins

The plugin API and ideas for new plugins

topic-protocols

topic-python2

issues only applicable to Python 2

topic-quoted-annotations

Detecting problems with quoted annotations

topic-reachability

Detecting unreachable code

topic-recursive-types

topic-reveal-type

reveal_type() and reveal_locals()

topic-runtime-semantics

mypy doesn't model runtime semantics correctly

topic-self-types

Types for self

topic-strict-optional

topic-stubgen

topic-stubtest

topic-ternary-expression

a if b else c

topic-tests

topic-type-alias

TypeAlias and other type alias issues

topic-type-context

Type context / bidirectional inference

topic-type-form

TypeForm might fix this

topic-type-ignore

# type: ignore comments

topic-type-narrowing

Conditional type narrowing / binder

topic-type-variables

topic-typed-dict

topic-typeguard

TypeGuard / PEP 647

topic-union-types

topic-usability

topic-variable-scope

upnext