fix import
diff --git a/plstackapi/planetstack/models.py b/plstackapi/planetstack/models.py
index 08a3ff2..3a24f4d 100644
--- a/plstackapi/planetstack/models.py
+++ b/plstackapi/planetstack/models.py
@@ -1,5 +1,5 @@
 import os
-from datetime import datetime
+import datetime
 from django.db import models
 from plstackapi.openstack.driver import OpenStackDriver