Don't use redundant inlineCallbacks

synapse/storage/group_server.py

@@ -48,9 +48,8 @@ class GroupServerStore(SQLBaseStore):
             desc="set_group_join_policy",
         )
 
-    @defer.inlineCallbacks
     def get_group(self, group_id):
-        ret = yield self._simple_select_one(
+        return self._simple_select_one(
             table="groups",
             keyvalues={
                 "group_id": group_id,
@@ -63,8 +62,6 @@ class GroupServerStore(SQLBaseStore):
             desc="get_group",
         )
 
-        defer.returnValue(ret)
-
     def get_users_in_group(self, group_id, include_private=False):
         # TODO: Pagination