diff --git a/categories/migration.py b/categories/migration.py
index 18ef603..9d39ee2 100644
--- a/categories/migration.py
+++ b/categories/migration.py
@@ -1,5 +1,4 @@
-from django.db import models
-from django.db.utils import DatabaseError
+from django.db import models, DatabaseError
 
 from south.db import db
 from south.signals import post_migrate