Use typing_extensions.Self instead of _typeshed.Self (#9702)

stubs/urllib3/urllib3/connectionpool.pyi

@@ -1,10 +1,9 @@
 import queue
-from _typeshed import Self
 from collections.abc import Mapping
 from logging import Logger
 from types import TracebackType
 from typing import Any, ClassVar
-from typing_extensions import Literal, TypeAlias
+from typing_extensions import Literal, Self, TypeAlias
 
 from . import connection, exceptions, request, response
 from .connection import BaseSSLError as BaseSSLError, ConnectionError as ConnectionError, HTTPException as HTTPException
@@ -47,7 +46,7 @@ class ConnectionPool:
     host: str
     port: int | None
     def __init__(self, host: str, port: int | None = ...) -> None: ...
-    def __enter__(self: Self) -> Self: ...
+    def __enter__(self) -> Self: ...
     def __exit__(
         self, exc_type: type[BaseException] | None, exc_val: BaseException | None, exc_tb: TracebackType | None
     ) -> Literal[False]: ...

stubs/urllib3/urllib3/response.pyi

@@ -1,9 +1,8 @@
 import io
-from _typeshed import Self
 from collections.abc import Iterable, Iterator, Mapping
 from http.client import HTTPMessage as _HttplibHTTPMessage, HTTPResponse as _HttplibHTTPResponse
 from typing import IO, Any
-from typing_extensions import Literal, TypeAlias
+from typing_extensions import Literal, Self, TypeAlias
 
 from urllib3.connectionpool import HTTPConnection
 
@@ -83,7 +82,7 @@ class HTTPResponse(io.IOBase):
     def read(self, amt: int | None = ..., decode_content: bool | None = ..., cache_content: bool = ...) -> bytes: ...
     def stream(self, amt: int | None = ..., decode_content: bool | None = ...) -> Iterator[bytes]: ...
     @classmethod
-    def from_httplib(cls: type[Self], r: _HttplibHTTPResponse, **response_kw: Any) -> Self: ...
+    def from_httplib(cls, r: _HttplibHTTPResponse, **response_kw: Any) -> Self: ...
     def getheaders(self) -> HTTPHeaderDict: ...
     def getheader(self, name, default=...) -> str | None: ...
     def info(self) -> HTTPHeaderDict: ...

stubs/urllib3/urllib3/util/retry.pyi

@@ -1,9 +1,8 @@
 import logging
-from _typeshed import Self
 from collections.abc import Collection
 from types import TracebackType
 from typing import Any, ClassVar, NamedTuple
-from typing_extensions import Literal
+from typing_extensions import Literal, Self
 
 from .. import exceptions
 from ..connectionpool import ConnectionPool
@@ -62,7 +61,7 @@ class Retry:
         remove_headers_on_redirect: Collection[str] = ...,
         method_whitelist: Collection[str] | None = ...,
     ) -> None: ...
-    def new(self: Self, **kw: Any) -> Self: ...
+    def new(self, **kw: Any) -> Self: ...
     @classmethod
     def from_int(
         cls, retries: Retry | bool | int | None, redirect: bool | int | None = ..., default: Retry | bool | int | None = ...