CORD-1010 refactor openstack synchronizer to use new_base

Change-Id: I4eb4e5131275faf69e1da05efc81a3d8d0d12296
diff --git a/xos/synchronizer/steps/sync_controller_site_privileges.py b/xos/synchronizer/steps/sync_controller_site_privileges.py
index 805f446..2768090 100644
--- a/xos/synchronizer/steps/sync_controller_site_privileges.py
+++ b/xos/synchronizer/steps/sync_controller_site_privileges.py
@@ -1,16 +1,12 @@
 import os
 import base64
-from collections import defaultdict
-from django.db.models import F, Q
+import json
 from xos.config import Config
 from synchronizers.openstack.openstacksyncstep import OpenStackSyncStep
-from synchronizers.base.syncstep import *
-from core.models.site import Controller, SitePrivilege 
-from core.models.user import User
-from core.models.controlleruser import ControllerUser, ControllerSitePrivilege
+from synchronizers.new_base.syncstep import *
 from xos.logger import observer_logger as logger
-from synchronizers.base.ansible_helper import *
-import json
+from synchronizers.new_base.ansible_helper import *
+from synchronizers.new_base.modelaccessor import *
 
 class SyncControllerSitePrivileges(OpenStackSyncStep):
     provides=[SitePrivilege]