Fix pep8 codestyle warnings

synapse/handlers/directory.py

@@ -128,8 +128,9 @@ class DirectoryHandler(BaseHandler):
                 "servers": result.servers,
             })
         else:
-            raise SynapseError(404, "Room alias \"%s\" not found" % (room_alias,))
-
+            raise SynapseError(
+                404, "Room alias \"%s\" not found" % (room_alias,)
+            )
 
     @defer.inlineCallbacks
     def send_room_alias_update_event(self, user_id, room_id):

synapse/handlers/federation.py

@@ -122,7 +122,8 @@ class FederationHandler(BaseHandler):
                 event.origin, redacted_pdu_json
             )
         except SynapseError as e:
-            logger.warn("Signature check failed for %s redacted to %s",
+            logger.warn(
+                "Signature check failed for %s redacted to %s",
                 encode_canonical_json(pdu.get_pdu_json()),
                 encode_canonical_json(redacted_pdu_json),
             )
@@ -390,7 +391,8 @@ class FederationHandler(BaseHandler):
 
         event.outlier = False
 
-        is_new_state = yield self.state_handler.annotate_event_with_state(event)
+        state_handler = self.state_handler
+        is_new_state = yield state_handler.annotate_event_with_state(event)
         self.auth.check(event, raises=True)
 
         # FIXME (erikj):  All this is duplicated above :(

synapse/handlers/message.py

@@ -298,7 +298,7 @@ class MessageHandler(BaseHandler):
 
     @defer.inlineCallbacks
     def room_initial_sync(self, user_id, room_id, pagin_config=None,
-                      feedback=False):
+                          feedback=False):
         yield self.auth.check_joined_room(room_id, user_id)
 
         # TODO(paul): I wish I was called with user objects not user_id
@@ -342,8 +342,8 @@ class MessageHandler(BaseHandler):
                 )
                 presence.append(member_presence)
             except Exception:
-                logger.exception("Failed to get member presence of %r",
-                    m.user_id
+                logger.exception(
+                    "Failed to get member presence of %r", m.user_id
                 )
 
         defer.returnValue({

synapse/handlers/room.py

@@ -178,7 +178,9 @@ class RoomCreationHandler(BaseHandler):
 
         if room_alias:
             result["room_alias"] = room_alias.to_string()
-            yield directory_handler.send_room_alias_update_event(user_id, room_id)
+            yield directory_handler.send_room_alias_update_event(
+                user_id, room_id
+            )
 
         defer.returnValue(result)
 
@@ -211,7 +213,6 @@ class RoomCreationHandler(BaseHandler):
             **event_keys
         )
 
-
         power_levels_event = self.event_factory.create_event(
             etype=RoomPowerLevelsEvent.TYPE,
             content={