[stdlib] Update the return type of urllib.request.urlopen to urllib.response.addinfourl | http.client.HTTPResponse

Author: edgarrmondragon

stdlib/urllib/request.pyi

@@ -2,12 +2,13 @@ import ssl
 import sys
 from _typeshed import ReadableBuffer, StrOrBytesPath, SupportsRead
 from collections.abc import Callable, Iterable, Mapping, MutableMapping, Sequence
-from email.message import Message
+from email.message import EmailMessage, Message
 from http.client import HTTPConnection, HTTPMessage, HTTPResponse
 from http.cookiejar import CookieJar
 from re import Pattern
+from types import TracebackType
 from typing import IO, Any, ClassVar, NoReturn, Protocol, TypeVar, overload, type_check_only
-from typing_extensions import TypeAlias, deprecated
+from typing_extensions import Self, TypeAlias, deprecated
 from urllib.error import HTTPError as HTTPError
 from urllib.response import addclosehook, addinfourl
 
@@ -49,7 +50,7 @@ if sys.version_info < (3, 14):
     __all__ += ["URLopener", "FancyURLopener"]
 
 _T = TypeVar("_T")
-_UrlopenRet: TypeAlias = Any
+_UrlopenRet: TypeAlias = addinfourl | HTTPResponse
 _DataType: TypeAlias = ReadableBuffer | SupportsRead[bytes] | Iterable[bytes] | None
 
 if sys.version_info >= (3, 13):