CORD-1010 refactor openstack synchronizer to use new_base

Change-Id: I4eb4e5131275faf69e1da05efc81a3d8d0d12296
diff --git a/xos/synchronizer/model_policies/model_policy_ControllerUser.py b/xos/synchronizer/model_policies/model_policy_ControllerUser.py
index b69c9b8..895ebf8 100644
--- a/xos/synchronizer/model_policies/model_policy_ControllerUser.py
+++ b/xos/synchronizer/model_policies/model_policy_ControllerUser.py
@@ -1,6 +1,6 @@
+from synchronizers.new_base.modelaccessor import *
+
 def handle(controller_user):
-    from core.models import ControllerUser, User
-   
     try:
         my_status_code = int(controller_user.backend_status[0])
         try: