Use TypeAlias for type aliases where possible, part II (#7667)

stdlib/_ast.pyi

@@ -1,13 +1,13 @@
 import sys
 from typing import Any, ClassVar
-from typing_extensions import Literal
+from typing_extensions import Literal, TypeAlias
 
 PyCF_ONLY_AST: Literal[1024]
 if sys.version_info >= (3, 8):
     PyCF_TYPE_COMMENTS: Literal[4096]
     PyCF_ALLOW_TOP_LEVEL_AWAIT: Literal[8192]
 
-_identifier = str
+_identifier: TypeAlias = str
 
 class AST:
     if sys.version_info >= (3, 10):
@@ -366,10 +366,10 @@ class Attribute(expr):
     ctx: expr_context
 
 if sys.version_info >= (3, 9):
-    _SliceT = expr
+    _SliceT: TypeAlias = expr
 else:
     class slice(AST): ...
-    _SliceT = slice
+    _SliceT: TypeAlias = slice
 
 class Slice(_SliceT):
     if sys.version_info >= (3, 10):
@@ -524,7 +524,7 @@ if sys.version_info >= (3, 10):
 
     class pattern(AST): ...
     # Without the alias, Pyright complains variables named pattern are recursively defined
-    _pattern = pattern
+    _pattern: TypeAlias = pattern
 
     class match_case(AST):
         __match_args__ = ("pattern", "guard", "body")

stdlib/_socket.pyi

@@ -17,7 +17,7 @@ _CMSGArg: TypeAlias = tuple[int, int, ReadableBuffer]
 # Addresses can be either tuples of varying lengths (AF_INET, AF_INET6,
 # AF_NETLINK, AF_TIPC) or strings (AF_UNIX).
 _Address: TypeAlias = tuple[Any, ...] | str
-_RetAddress = Any
+_RetAddress: TypeAlias = Any
 # TODO Most methods allow bytes as address objects
 
 # ----- Constants -----

stdlib/asyncio/streams.pyi

@@ -120,9 +120,9 @@ else:
 
 if sys.platform != "win32":
     if sys.version_info >= (3, 7):
-        _PathType = StrPath
+        _PathType: TypeAlias = StrPath
     else:
-        _PathType = str
+        _PathType: TypeAlias = str
     if sys.version_info >= (3, 10):
         async def open_unix_connection(
             path: _PathType | None = ..., *, limit: int = ..., **kwds: Any

stdlib/cgi.pyi

@@ -1,6 +1,6 @@
 import sys
 from _typeshed import Self, SupportsGetItem, SupportsItemAccess
-from builtins import type as _type
+from builtins import list as _list, type as _type
 from collections.abc import Iterable, Iterator, Mapping
 from types import TracebackType
 from typing import IO, Any, Protocol
@@ -87,8 +87,6 @@ class MiniFieldStorage:
     value: Any
     def __init__(self, name: Any, value: Any) -> None: ...
 
-_list = list
-
 class FieldStorage:
     FieldStorageClass: _type | None
     keep_blank_values: int

stdlib/configparser.pyi

@@ -36,9 +36,9 @@ _converters: TypeAlias = dict[str, _converter]
 _T = TypeVar("_T")
 
 if sys.version_info >= (3, 7):
-    _Path = StrOrBytesPath
+    _Path: TypeAlias = StrOrBytesPath
 else:
-    _Path = StrPath
+    _Path: TypeAlias = StrPath
 
 DEFAULTSECT: Literal["DEFAULT"]
 MAX_INTERPOLATION_DEPTH: Literal[10]

stdlib/datetime.pyi

@@ -2,7 +2,7 @@ import sys
 from _typeshed import Self
 from time import struct_time
 from typing import ClassVar, NamedTuple, NoReturn, SupportsAbs, TypeVar, overload
-from typing_extensions import Literal, final
+from typing_extensions import Literal, TypeAlias, final
 
 if sys.version_info >= (3, 9):
     __all__ = ("date", "datetime", "time", "timedelta", "timezone", "tzinfo", "MINYEAR", "MAXYEAR")
@@ -19,7 +19,7 @@ class tzinfo:
     def fromutc(self, __dt: datetime) -> datetime: ...
 
 # Alias required to avoid name conflicts with date(time).tzinfo.
-_tzinfo = tzinfo
+_tzinfo: TypeAlias = tzinfo
 
 @final
 class timezone(tzinfo):
@@ -150,8 +150,8 @@ class time:
         fold: int = ...,
     ) -> Self: ...
 
-_date = date
-_time = time
+_date: TypeAlias = date
+_time: TypeAlias = time
 
 class timedelta(SupportsAbs[timedelta]):
     min: ClassVar[timedelta]

stdlib/email/message.pyi

@@ -13,7 +13,7 @@ _T = TypeVar("_T")
 
 _PayloadType: TypeAlias = list[Message] | str | bytes
 _CharsetType: TypeAlias = Charset | str | None
-_HeaderType = Any
+_HeaderType: TypeAlias = Any
 
 class Message:
     policy: Policy  # undocumented

stdlib/functools.pyi

@@ -112,7 +112,7 @@ class partial(Generic[_T]):
         def __class_getitem__(cls, item: Any) -> GenericAlias: ...
 
 # With protocols, this could change into a generic protocol that defines __get__ and returns _T
-_Descriptor = Any
+_Descriptor: TypeAlias = Any
 
 class partialmethod(Generic[_T]):
     func: Callable[..., _T] | _Descriptor

stdlib/inspect.pyi

@@ -514,7 +514,7 @@ def getcoroutinelocals(coroutine: Coroutine[Any, Any, Any]) -> dict[str, Any]: .
 
 # Create private type alias to avoid conflict with symbol of same
 # name created in Attribute class.
-_Object = object
+_Object: TypeAlias = object
 
 class Attribute(NamedTuple):
     name: str

stdlib/lib2to3/refactor.pyi

@@ -1,11 +1,12 @@
 from collections.abc import Container, Generator, Iterable, Mapping
 from logging import Logger
 from typing import Any, ClassVar, NoReturn
+from typing_extensions import TypeAlias
 
 from .pgen2.grammar import Grammar
 
-_Driver = Any  # really lib2to3.driver.Driver
-_BottomMatcher = Any  # really lib2to3.btm_matcher.BottomMatcher
+_Driver: TypeAlias = Any  # really lib2to3.driver.Driver
+_BottomMatcher: TypeAlias = Any  # really lib2to3.btm_matcher.BottomMatcher
 
 def get_all_fix_names(fixer_pkg: str, remove_prefix: bool = ...) -> list[str]: ...
 def get_fixers_from_package(pkg_name: str) -> list[str]: ...

stdlib/logging/config.pyi

@@ -4,6 +4,7 @@ from collections.abc import Callable, Sequence
 from configparser import RawConfigParser
 from threading import Thread
 from typing import IO, Any, Pattern
+from typing_extensions import TypeAlias
 
 from . import _Level
 
@@ -13,9 +14,9 @@ else:
     from typing_extensions import Literal, TypedDict
 
 if sys.version_info >= (3, 7):
-    _Path = StrOrBytesPath
+    _Path: TypeAlias = StrOrBytesPath
 else:
-    _Path = StrPath
+    _Path: TypeAlias = StrPath
 
 DEFAULT_LOGGING_CONFIG_PORT: int
 RESET_ERROR: int  # undocumented

stdlib/math.pyi

@@ -7,7 +7,7 @@ from typing_extensions import SupportsIndex, TypeAlias
 if sys.version_info >= (3, 8):
     _SupportsFloatOrIndex: TypeAlias = SupportsFloat | SupportsIndex
 else:
-    _SupportsFloatOrIndex = SupportsFloat
+    _SupportsFloatOrIndex: TypeAlias = SupportsFloat
 
 e: float
 pi: float

stdlib/multiprocessing/managers.pyi

@@ -2,20 +2,20 @@ import queue
 import sys
 import threading
 from _typeshed import Self
+from builtins import dict as _dict, list as _list  # Conflicts with method names
 from collections.abc import Callable, Iterable, Mapping, Sequence
 from types import TracebackType
 from typing import Any, AnyStr, Generic, TypeVar
+from typing_extensions import TypeAlias
 
 from .connection import Connection
 from .context import BaseContext
 
 if sys.version_info >= (3, 8):
-    from .shared_memory import _SLT, ShareableList, SharedMemory
+    from .shared_memory import _SLT, ShareableList as _ShareableList, SharedMemory as _SharedMemory
 
     __all__ = ["BaseManager", "SyncManager", "BaseProxy", "Token", "SharedMemoryManager"]
 
-    _SharedMemory = SharedMemory
-    _ShareableList = ShareableList
 else:
     __all__ = ["BaseManager", "SyncManager", "BaseProxy", "Token"]
 
@@ -31,7 +31,7 @@ class Namespace:
     def __getattr__(self, __name: str) -> Any: ...
     def __setattr__(self, __name: str, __value: Any) -> None: ...
 
-_Namespace = Namespace
+_Namespace: TypeAlias = Namespace
 
 class Token:
     typeid: str | bytes | None
@@ -101,10 +101,6 @@ class BaseManager:
         self, exc_type: type[BaseException] | None, exc_val: BaseException | None, exc_tb: TracebackType | None
     ) -> None: ...
 
-# Conflicts with method names
-_dict = dict
-_list = list
-
 class SyncManager(BaseManager):
     def BoundedSemaphore(self, value: Any = ...) -> threading.BoundedSemaphore: ...
     def Condition(self, lock: Any = ...) -> threading.Condition: ...

stdlib/nntplib.pyi

@@ -3,6 +3,7 @@ import socket
 import ssl
 import sys
 from _typeshed import Self
+from builtins import list as _list  # conflicts with a method named "list"
 from collections.abc import Iterable
 from typing import IO, Any, NamedTuple
 from typing_extensions import Literal, TypeAlias
@@ -46,8 +47,6 @@ class ArticleInfo(NamedTuple):
 
 def decode_header(header_str: str) -> str: ...
 
-_list = list  # conflicts with a method named "list"
-
 class NNTP:
     encoding: str
     errors: str

stdlib/poplib.pyi

@@ -1,5 +1,6 @@
 import socket
 import ssl
+from builtins import list as _list  # conflicts with a method named "list"
 from typing import Any, BinaryIO, NoReturn, Pattern, overload
 from typing_extensions import Literal, TypeAlias
 
@@ -16,8 +17,6 @@ LF: Literal[b"\n"]
 CRLF: Literal[b"\r\n"]
 HAVE_SSL: bool
 
-_list = list  # conflicts with a method named "list"
-
 class POP3:
     encoding: str
     host: str

stdlib/pydoc.pyi

@@ -1,5 +1,6 @@
 from _typeshed import SupportsWrite
 from abc import abstractmethod
+from builtins import list as _list  # "list" conflicts with method name
 from collections.abc import Callable, Container, Mapping, MutableMapping
 from reprlib import Repr
 from types import MethodType, ModuleType, TracebackType
@@ -197,8 +198,6 @@ def doc(thing: str | object, title: str = ..., forceload: bool = ..., output: Su
 def writedoc(thing: str | object, forceload: bool = ...) -> None: ...
 def writedocs(dir: str, pkgpath: str = ..., done: Any | None = ...) -> None: ...
 
-_list = list  # "list" conflicts with method name
-
 class Helper:
     keywords: dict[str, str | tuple[str, str]]
     symbols: dict[str, str]

stdlib/selectors.pyi

@@ -3,8 +3,9 @@ from _typeshed import FileDescriptor, FileDescriptorLike, Self
 from abc import ABCMeta, abstractmethod
 from collections.abc import Mapping
 from typing import Any, NamedTuple
+from typing_extensions import TypeAlias
 
-_EventMask = int
+_EventMask: TypeAlias = int
 
 EVENT_READ: _EventMask
 EVENT_WRITE: _EventMask

stdlib/shutil.pyi

@@ -38,7 +38,7 @@ _StrOrBytesPathT = TypeVar("_StrOrBytesPathT", bound=StrOrBytesPath)
 _StrPathT = TypeVar("_StrPathT", bound=StrPath)
 # Return value of some functions that may either return a path-like object that was passed in or
 # a string
-_PathReturn = Any
+_PathReturn: TypeAlias = Any
 
 class Error(OSError): ...
 class SameFileError(Error): ...

stdlib/tarfile.pyi

@@ -2,7 +2,7 @@ import bz2
 import io
 import sys
 from _typeshed import Self, StrOrBytesPath, StrPath
-from builtins import type as Type  # alias to avoid name clashes with fields named "type"
+from builtins import list as _list, type as Type  # aliases to avoid name clashes with fields named "type" or "list"
 from collections.abc import Callable, Iterable, Iterator, Mapping
 from gzip import _ReadableFileobj as _GzipReadableFileobj, _WritableFileobj as _GzipWritableFileobj
 from types import TracebackType
@@ -109,8 +109,6 @@ def open(
 class ExFileObject(io.BufferedReader):
     def __init__(self, tarfile: TarFile, tarinfo: TarInfo) -> None: ...
 
-_list = list  # conflicts with method name
-
 class TarFile:
     OPEN_METH: Mapping[str, str]
     name: StrOrBytesPath | None

stdlib/turtle.pyi

@@ -134,7 +134,7 @@ __all__ = [
 # same, but as per the "no union returns" typeshed policy, we'll return
 # Any instead.
 _Color: TypeAlias = Union[str, tuple[float, float, float]]
-_AnyColor = Any
+_AnyColor: TypeAlias = Any
 
 # TODO: Replace this with a TypedDict once it becomes standardized.
 _PenState: TypeAlias = dict[str, Any]

stdlib/unittest/mock.pyi

@@ -286,7 +286,7 @@ class _patch_dict:
 if sys.version_info >= (3, 8):
     _Mock: TypeAlias = MagicMock | AsyncMock
 else:
-    _Mock = MagicMock
+    _Mock: TypeAlias = MagicMock
 
 class _patcher:
     TEST_PREFIX: str

stubs/Flask-Cors/flask_cors/extension.pyi

@@ -2,8 +2,9 @@ from collections.abc import Callable, Iterable
 from datetime import timedelta
 from logging import Logger
 from typing import Any
+from typing_extensions import TypeAlias
 
-_App = Any  # flask is not part of typeshed
+_App: TypeAlias = Any  # flask is not part of typeshed
 
 LOG: Logger
 

stubs/JACK-Client/jack/__init__.pyi

@@ -1,8 +1,9 @@
 from _typeshed import Self
 from collections.abc import Callable, Generator, Iterable, Iterator, Sequence
 from typing import Any, overload
+from typing_extensions import TypeAlias
 
-_NDArray = Any  # FIXME: no typings for numpy arrays
+_NDArray: TypeAlias = Any  # FIXME: no typings for numpy arrays
 
 class _JackPositionT: ...
 

stubs/PyYAML/yaml/__init__.pyi

@@ -1,5 +1,6 @@
 from collections.abc import Callable, Iterable, Iterator, Mapping, Sequence
 from typing import Any, Pattern, TypeVar, overload
+from typing_extensions import TypeAlias
 
 from . import resolver as resolver  # Help mypy a bit; this is implied by loader and dumper
 from .constructor import BaseConstructor
@@ -16,7 +17,7 @@ from .resolver import BaseResolver
 from .tokens import *
 
 # FIXME: the functions really return str if encoding is None, otherwise bytes. Waiting for python/mypy#5621
-_Yaml = Any
+_Yaml: TypeAlias = Any
 
 __with_libyaml__: Any
 __version__: str

stubs/bleach/bleach/sanitizer.pyi

@@ -14,7 +14,7 @@ INVISIBLE_CHARACTERS_RE: Pattern[str]
 INVISIBLE_REPLACEMENT_CHAR: str
 
 # A html5lib Filter class
-_Filter = Any
+_Filter: TypeAlias = Any
 
 class Cleaner:
     tags: Container[str]

stubs/boto/boto/utils.pyi

@@ -118,7 +118,7 @@ class LRUCache(dict[_KT, _VT]):
     def __init__(self, capacity: int) -> None: ...
 
 # This exists to work around Password.str's name shadowing the str type
-_str = str
+_str: TypeAlias = str
 
 class Password:
     hashfunc: Callable[[bytes], _HashType]

stubs/caldav/caldav/davclient.pyi

@@ -1,5 +1,6 @@
 from collections.abc import Iterable, Mapping
 from typing import Any
+from typing_extensions import TypeAlias
 from urllib.parse import ParseResult, SplitResult
 
 from requests.auth import AuthBase
@@ -9,7 +10,7 @@ from requests.structures import CaseInsensitiveDict
 from .lib.url import URL
 from .objects import Calendar, DAVObject, Principal
 
-_Element = Any  # actually lxml.etree._Element
+_Element: TypeAlias = Any  # actually lxml.etree._Element
 
 class DAVResponse:
     reason: str

stubs/caldav/caldav/elements/base.pyi

@@ -1,8 +1,9 @@
 from _typeshed import Self
 from collections.abc import Iterable
 from typing import Any, ClassVar
+from typing_extensions import TypeAlias
 
-_Element = Any  # actually lxml.etree._Element
+_Element: TypeAlias = Any  # actually lxml.etree._Element
 
 class BaseElement:
     tag: ClassVar[str | None]

stubs/caldav/caldav/objects.pyi

@@ -2,7 +2,7 @@ import datetime
 from _typeshed import Self
 from collections.abc import Iterable, Iterator, Mapping
 from typing import Any, TypeVar, overload
-from typing_extensions import Literal
+from typing_extensions import Literal, TypeAlias
 from urllib.parse import ParseResult, SplitResult
 
 from vobject.base import VBase
@@ -13,7 +13,7 @@ from .lib.url import URL
 
 _CC = TypeVar("_CC", bound=CalendarObjectResource)
 
-_vCalAddress = Any  # actually icalendar.vCalAddress
+_vCalAddress: TypeAlias = Any  # actually icalendar.vCalAddress
 
 class DAVObject:
     id: str | None

stubs/decorator/decorator.pyi

@@ -1,4 +1,5 @@
 import sys
+from builtins import dict as _dict  # alias to avoid conflicts with attribute name
 from collections.abc import Callable, Iterator
 from typing import Any, NamedTuple, Pattern, TypeVar
 from typing_extensions import ParamSpec
@@ -31,8 +32,6 @@ else:
 
 DEF: Pattern[str]
 
-_dict = dict  # conflicts with attribute name
-
 class FunctionMaker:
     args: list[str]
     varargs: str | None

stubs/docutils/docutils/utils/__init__.pyi

@@ -1,4 +1,5 @@
 import optparse
+from builtins import list as _list  # alias to avoid name clashes with fields named list
 from collections.abc import Iterable
 from typing import Any
 from typing_extensions import Literal, TypeAlias
@@ -7,8 +8,6 @@ from docutils import ApplicationError
 from docutils.io import FileOutput
 from docutils.nodes import document
 
-_list = list
-
 class DependencyList:
     list: _list[str]
     file: FileOutput | None

stubs/protobuf/google/protobuf/text_format.pyi

@@ -182,7 +182,7 @@ class _Parser:
     def ParseLines(self, lines: Iterable[Text | bytes], message: _M) -> _M: ...
     def MergeLines(self, lines: Iterable[Text | bytes], message: _M) -> _M: ...
 
-_ParseError = ParseError
+_ParseError: TypeAlias = ParseError
 
 class Tokenizer:
     token: str = ...

stubs/psycopg2/psycopg2/_psycopg.pyi

@@ -275,7 +275,7 @@ class Xid:
     def __getitem__(self, __index): ...
     def __len__(self): ...
 
-_cursor = cursor
+_cursor: TypeAlias = cursor
 _T_cur = TypeVar("_T_cur", bound=_cursor)
 
 class connection:

stubs/pyflakes/pyflakes/checker.pyi

@@ -159,32 +159,32 @@ def in_string_annotation(func: _F) -> _F: ...
 def make_tokens(code: str | bytes) -> tuple[TokenInfo, ...]: ...
 
 if sys.version_info >= (3, 8):
-    _NamedExpr = ast.NamedExpr
+    _NamedExpr: TypeAlias = ast.NamedExpr
 else:
-    _NamedExpr = Any
+    _NamedExpr: TypeAlias = Any
 
 if sys.version_info >= (3, 10):
-    _Match = ast.Match
-    _MatchCase = ast.match_case
-    _MatchValue = ast.MatchValue
-    _MatchSingleton = ast.MatchSingleton
-    _MatchSequence = ast.MatchSequence
-    _MatchStar = ast.MatchStar
-    _MatchMapping = ast.MatchMapping
-    _MatchClass = ast.MatchClass
-    _MatchAs = ast.MatchAs
-    _MatchOr = ast.MatchOr
+    _Match: TypeAlias = ast.Match
+    _MatchCase: TypeAlias = ast.match_case
+    _MatchValue: TypeAlias = ast.MatchValue
+    _MatchSingleton: TypeAlias = ast.MatchSingleton
+    _MatchSequence: TypeAlias = ast.MatchSequence
+    _MatchStar: TypeAlias = ast.MatchStar
+    _MatchMapping: TypeAlias = ast.MatchMapping
+    _MatchClass: TypeAlias = ast.MatchClass
+    _MatchAs: TypeAlias = ast.MatchAs
+    _MatchOr: TypeAlias = ast.MatchOr
 else:
-    _Match = Any
-    _MatchCase = Any
-    _MatchValue = Any
-    _MatchSingleton = Any
-    _MatchSequence = Any
-    _MatchStar = Any
-    _MatchMapping = Any
-    _MatchClass = Any
-    _MatchAs = Any
-    _MatchOr = Any
+    _Match: TypeAlias = Any
+    _MatchCase: TypeAlias = Any
+    _MatchValue: TypeAlias = Any
+    _MatchSingleton: TypeAlias = Any
+    _MatchSequence: TypeAlias = Any
+    _MatchStar: TypeAlias = Any
+    _MatchMapping: TypeAlias = Any
+    _MatchClass: TypeAlias = Any
+    _MatchAs: TypeAlias = Any
+    _MatchOr: TypeAlias = Any
 
 class Checker:
     nodeDepth: int

stubs/python-dateutil/dateutil/relativedelta.pyi

@@ -1,6 +1,7 @@
 from _typeshed import Self
 from datetime import date, datetime, timedelta
 from typing import SupportsFloat, TypeVar, overload
+from typing_extensions import TypeAlias
 
 from ._common import weekday
 
@@ -8,7 +9,7 @@ from ._common import weekday
 _SelfT = TypeVar("_SelfT", bound=relativedelta)
 _DateT = TypeVar("_DateT", date, datetime)
 # Work around attribute and type having the same name.
-_weekday = weekday
+_weekday: TypeAlias = weekday
 
 MO: weekday
 TU: weekday

stubs/python-dateutil/dateutil/rrule.pyi

@@ -1,5 +1,6 @@
 import datetime
 from typing import Any, Iterable
+from typing_extensions import TypeAlias
 
 from ._common import weekday as weekdaybase
 
@@ -81,7 +82,7 @@ class _iterinfo:
     def mtimeset(self, hour, minute, second): ...
     def stimeset(self, hour, minute, second): ...
 
-_rrule = rrule
+_rrule: TypeAlias = rrule
 
 class rruleset(rrulebase):
     class _genitem:

stubs/redis/redis/connection.pyi

@@ -1,6 +1,7 @@
 from _typeshed import Self
 from collections.abc import Mapping
 from typing import Any
+from typing_extensions import TypeAlias
 
 from .retry import Retry
 
@@ -12,7 +13,7 @@ SYM_EMPTY: Any
 SERVER_CLOSED_CONNECTION_ERROR: Any
 
 # Options as passed to Pool.get_connection().
-_ConnectionPoolOptions = Any
+_ConnectionPoolOptions: TypeAlias = Any
 
 class BaseParser:
     EXCEPTION_CLASSES: Any

stubs/requests/requests/sessions.pyi

@@ -9,7 +9,7 @@ from . import adapters, auth as _auth, compat, cookies, exceptions, hooks, model
 from .models import Response
 from .structures import CaseInsensitiveDict as CaseInsensitiveDict
 
-_BaseAdapter = adapters.BaseAdapter
+_BaseAdapter: TypeAlias = adapters.BaseAdapter
 OrderedDict = compat.OrderedDict
 cookiejar_from_dict = cookies.cookiejar_from_dict
 extract_cookies_to_jar = cookies.extract_cookies_to_jar

stubs/typed-ast/typed_ast/ast27.pyi

@@ -1,5 +1,6 @@
 from collections.abc import Iterator
 from typing import Any
+from typing_extensions import TypeAlias
 
 class NodeVisitor:
     def visit(self, node: AST) -> Any: ...
@@ -152,7 +153,7 @@ class Break(stmt): ...
 class Continue(stmt): ...
 class slice(AST): ...
 
-_slice = slice  # this lets us type the variable named 'slice' below
+_slice: TypeAlias = slice  # this lets us type the variable named 'slice' below
 
 class Slice(slice):
     lower: expr | None

stubs/typed-ast/typed_ast/ast3.pyi

@@ -1,5 +1,6 @@
 from collections.abc import Iterator
 from typing import Any
+from typing_extensions import TypeAlias
 
 class NodeVisitor:
     def visit(self, node: AST) -> Any: ...
@@ -168,7 +169,7 @@ class Break(stmt): ...
 class Continue(stmt): ...
 class slice(AST): ...
 
-_slice = slice  # this lets us type the variable named 'slice' below
+_slice: TypeAlias = slice  # this lets us type the variable named 'slice' below
 
 class Slice(slice):
     lower: expr | None

stubs/waitress/waitress/wasyncore.pyi

@@ -3,10 +3,11 @@ from io import BytesIO
 from logging import Logger
 from socket import socket
 from typing import Any
+from typing_extensions import TypeAlias
 
 from . import compat as compat, utilities as utilities
 
-_socket = socket
+_socket: TypeAlias = socket
 
 socket_map: Mapping[int, socket]
 map: Mapping[int, socket]