Update black, and run auto formatting over the codebase (#9381)

- Update black version to the latest
 - Run black auto formatting over the codebase
    - Run autoformatting according to [`docs/code_style.md
`](80d6dc9783/docs/code_style.md)
 - Update `code_style.md` docs around installing black to use the correct version

synapse/replication/http/_base.py

@@ -273,7 +273,10 @@ class ReplicationEndpoint(metaclass=abc.ABCMeta):
         pattern = re.compile("^/_synapse/replication/%s/%s$" % (self.NAME, args))
 
         http_server.register_paths(
-            method, [pattern], self._check_auth_and_handle, self.__class__.__name__,
+            method,
+            [pattern],
+            self._check_auth_and_handle,
+            self.__class__.__name__,
         )
 
     def _check_auth_and_handle(self, request, **kwargs):

synapse/replication/http/account_data.py

@@ -175,7 +175,11 @@ class ReplicationRemoveTagRestServlet(ReplicationEndpoint):
         return {}
 
     async def _handle_request(self, request, user_id, room_id, tag):
-        max_stream_id = await self.handler.remove_tag_from_room(user_id, room_id, tag,)
+        max_stream_id = await self.handler.remove_tag_from_room(
+            user_id,
+            room_id,
+            tag,
+        )
 
         return 200, {"max_stream_id": max_stream_id}
 

synapse/replication/http/membership.py

@@ -160,7 +160,10 @@ class ReplicationRemoteRejectInviteRestServlet(ReplicationEndpoint):
 
         # hopefully we're now on the master, so this won't recurse!
         event_id, stream_id = await self.member_handler.remote_reject_invite(
-            invite_event_id, txn_id, requester, event_content,
+            invite_event_id,
+            txn_id,
+            requester,
+            event_content,
         )
 
         return 200, {"event_id": event_id, "stream_id": stream_id}

synapse/replication/http/register.py

@@ -22,8 +22,7 @@ logger = logging.getLogger(__name__)
 
 
 class ReplicationRegisterServlet(ReplicationEndpoint):
-    """Register a new user
-    """
+    """Register a new user"""
 
     NAME = "register_user"
     PATH_ARGS = ("user_id",)
@@ -97,8 +96,7 @@ class ReplicationRegisterServlet(ReplicationEndpoint):
 
 
 class ReplicationPostRegisterActionsServlet(ReplicationEndpoint):
-    """Run any post registration actions
-    """
+    """Run any post registration actions"""
 
     NAME = "post_register"
     PATH_ARGS = ("user_id",)