SEBA-497 delayering, Makefile, and tox for fabric-crossconnect-synchronizer

Change-Id: Ibcf8fd06b9ad94d3f198887c18be7adfa4d5a954
diff --git a/xos/synchronizer/model_policies/model_policy_fabriccrossconnectserviceinstance.py b/xos/synchronizer/model_policies/model_policy_fabriccrossconnectserviceinstance.py
index caa34bd..612331f 100644
--- a/xos/synchronizer/model_policies/model_policy_fabriccrossconnectserviceinstance.py
+++ b/xos/synchronizer/model_policies/model_policy_fabriccrossconnectserviceinstance.py
@@ -16,13 +16,13 @@
 
 from xossynchronizer.modelaccessor import FabricCrossconnectServiceInstance, ServiceInstance, model_accessor
 from xossynchronizer.model_policies.policy import Policy
-from xossynchronizer.exceptions import *
 
 from xosconfig import Config
 from multistructlog import create_logger
 
 log = create_logger(Config().get('logging'))
 
+
 class FabricCrossconnectServiceInstancePolicy(Policy):
     model_name = "FabricCrossconnectServiceInstance"
 
@@ -41,5 +41,3 @@
 
     def handle_delete(self, service_instance):
         log.info("Handle_delete Fabric-Crossconnect Service Instance", service_instance=service_instance)
-
-