fix pep8 and tests

synapse/handlers/profile.py

@@ -194,7 +194,7 @@ class ProfileHandler(BaseHandler):
         if self.hs.config.user_directory_search_all_users:
             profile = yield self.store.get_profileinfo(target_user.localpart)
             yield self.user_directory_handler.handle_local_profile_change(
-                target_user.user_id, profile
+                target_user.to_string(), profile
             )
 
         yield self._update_join_states(requester, target_user)

synapse/handlers/user_directory.py

@@ -423,7 +423,6 @@ class UserDirectoryHandler(object):
         if not row:
             yield self.store.add_profiles_to_user_dir(None, {user_id: profile})
 
-
     @defer.inlineCallbacks
     def _handle_new_user(self, room_id, user_id, profile):
         """Called when we might need to add user to directory

synapse/storage/user_directory.py

@@ -640,7 +640,6 @@ class UserDirectoryStore(SQLBaseStore):
                 }
         """
 
-
         if self.hs.config.user_directory_search_all_users:
             join_clause = ""
             where_clause = "?<>''"  # naughty hack to keep the same number of binds