diff --git a/resolvers/follower.py b/resolvers/follower.py
index 9cdc1dca..4e865e03 100644
--- a/resolvers/follower.py
+++ b/resolvers/follower.py
@@ -1,7 +1,7 @@
 import logging
 from typing import List
 
-from sqlalchemy import aliased
+from sqlalchemy.orm import aliased
 from sqlalchemy.sql import and_
 
 from orm.author import Author, AuthorFollower
diff --git a/resolvers/topic.py b/resolvers/topic.py
index b1baccc7..78280328 100644
--- a/resolvers/topic.py
+++ b/resolvers/topic.py
@@ -211,3 +211,4 @@ def get_random_topic():
         if r:
             [topic] = r
             return topic
+    return