CORD-1010 refactor openstack synchronizer to use new_base

Change-Id: I4eb4e5131275faf69e1da05efc81a3d8d0d12296
diff --git a/xos/synchronizer/steps/sync_controller_networks.py b/xos/synchronizer/steps/sync_controller_networks.py
index 357b084..8187e84 100644
--- a/xos/synchronizer/steps/sync_controller_networks.py
+++ b/xos/synchronizer/steps/sync_controller_networks.py
@@ -2,21 +2,14 @@
 import base64
 import struct
 import socket
-from collections import defaultdict
 from netaddr import IPAddress, IPNetwork
-from django.db.models import F, Q
 from xos.config import Config
 from synchronizers.openstack.openstacksyncstep import OpenStackSyncStep
-from synchronizers.base.syncstep import *
-from core.models.network import *
-from core.models.slice import *
-from core.models.instance import Instance
+from synchronizers.new_base.syncstep import *
 from xos.logger import observer_logger as logger
-from synchronizers.base.ansible_helper import *
+from synchronizers.new_base.ansible_helper import *
 from xos.config import Config
-import json
-
-import pdb
+from synchronizers.new_base.modelaccessor import *
 
 class SyncControllerNetworks(OpenStackSyncStep):
     requested_interval = 0