Switch to PEP-604 syntax in python2 stubs (#5915)

Signed-off-by: oleg.hoefling <oleg.hoefling@gmail.com>

stdlib/@python2/httplib.pyi

@@ -1,5 +1,5 @@
 import mimetools
-from typing import Any, Dict, Optional, Protocol
+from typing import Any, Dict, Protocol
 
 class HTTPMessage(mimetools.Message):
     def addcontinue(self, key: str, more: str) -> None: ...
@@ -24,14 +24,14 @@ class HTTPResponse:
     length: Any
     will_close: Any
     def __init__(
-        self, sock, debuglevel: int = ..., strict: int = ..., method: Optional[Any] = ..., buffering: bool = ...
+        self, sock, debuglevel: int = ..., strict: int = ..., method: Any | None = ..., buffering: bool = ...
     ) -> None: ...
     def begin(self): ...
     def close(self): ...
     def isclosed(self): ...
-    def read(self, amt: Optional[Any] = ...): ...
+    def read(self, amt: Any | None = ...): ...
     def fileno(self): ...
-    def getheader(self, name, default: Optional[Any] = ...): ...
+    def getheader(self, name, default: Any | None = ...): ...
     def getheaders(self): ...
 
 # This is an API stub only for HTTPConnection and HTTPSConnection, as used in
@@ -55,23 +55,23 @@ class HTTPConnection:
     host: str = ...
     port: int = ...
     def __init__(
-        self, host, port: Optional[Any] = ..., strict: Optional[Any] = ..., timeout=..., source_address: Optional[Any] = ...
+        self, host, port: Any | None = ..., strict: Any | None = ..., timeout=..., source_address: Any | None = ...
     ) -> None: ...
-    def set_tunnel(self, host, port: Optional[Any] = ..., headers: Optional[Any] = ...): ...
+    def set_tunnel(self, host, port: Any | None = ..., headers: Any | None = ...): ...
     def set_debuglevel(self, level): ...
     def connect(self): ...
     def close(self): ...
     def send(self, data): ...
     def putrequest(self, method, url, skip_host: int = ..., skip_accept_encoding: int = ...): ...
     def putheader(self, header, *values): ...
-    def endheaders(self, message_body: Optional[Any] = ...): ...
-    def request(self, method, url, body: Optional[Any] = ..., headers=...): ...
+    def endheaders(self, message_body: Any | None = ...): ...
+    def request(self, method, url, body: Any | None = ..., headers=...): ...
     def getresponse(self, buffering: bool = ...): ...
 
 class HTTP:
     debuglevel: Any
-    def __init__(self, host: str = ..., port: Optional[Any] = ..., strict: Optional[Any] = ...) -> None: ...
-    def connect(self, host: Optional[Any] = ..., port: Optional[Any] = ...): ...
+    def __init__(self, host: str = ..., port: Any | None = ..., strict: Any | None = ...) -> None: ...
+    def connect(self, host: Any | None = ..., port: Any | None = ...): ...
     def getfile(self): ...
     file: Any
     headers: Any
@@ -85,13 +85,13 @@ class HTTPSConnection(HTTPConnection):
     def __init__(
         self,
         host,
-        port: Optional[Any] = ...,
-        key_file: Optional[Any] = ...,
-        cert_file: Optional[Any] = ...,
-        strict: Optional[Any] = ...,
+        port: Any | None = ...,
+        key_file: Any | None = ...,
+        cert_file: Any | None = ...,
+        strict: Any | None = ...,
         timeout=...,
-        source_address: Optional[Any] = ...,
-        context: Optional[Any] = ...,
+        source_address: Any | None = ...,
+        context: Any | None = ...,
     ) -> None: ...
     sock: Any
     def connect(self): ...
@@ -102,11 +102,11 @@ class HTTPS(HTTP):
     def __init__(
         self,
         host: str = ...,
-        port: Optional[Any] = ...,
-        key_file: Optional[Any] = ...,
-        cert_file: Optional[Any] = ...,
-        strict: Optional[Any] = ...,
-        context: Optional[Any] = ...,
+        port: Any | None = ...,
+        key_file: Any | None = ...,
+        cert_file: Any | None = ...,
+        strict: Any | None = ...,
+        context: Any | None = ...,
     ) -> None: ...
 
 class HTTPException(Exception): ...
@@ -125,7 +125,7 @@ class IncompleteRead(HTTPException):
     args: Any
     partial: Any
     expected: Any
-    def __init__(self, partial, expected: Optional[Any] = ...) -> None: ...
+    def __init__(self, partial, expected: Any | None = ...) -> None: ...
 
 class ImproperConnectionState(HTTPException): ...
 class CannotSendRequest(ImproperConnectionState): ...
@@ -145,9 +145,9 @@ error: Any
 class LineAndFileWrapper:
     def __init__(self, line, file) -> None: ...
     def __getattr__(self, attr): ...
-    def read(self, amt: Optional[Any] = ...): ...
+    def read(self, amt: Any | None = ...): ...
     def readline(self): ...
-    def readlines(self, size: Optional[Any] = ...): ...
+    def readlines(self, size: Any | None = ...): ...
 
 # Constants