diff --git a/sso/services/__init__.py b/sso/services/__init__.py
index dd58f3d..c83ba05 100644
--- a/sso/services/__init__.py
+++ b/sso/services/__init__.py
@@ -1,4 +1,5 @@
 import settings
+from django.db import load_backend, transaction, IntegrityError
 
 def get_api(api):