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

Change-Id: I916f4b632019dddceae5a6f024a0b1c64d8188d8
diff --git a/xos/synchronizer/steps/sync_fabric_port.py b/xos/synchronizer/steps/sync_fabric_port.py
index 1ab0f52..4f0c914 100644
--- a/xos/synchronizer/steps/sync_fabric_port.py
+++ b/xos/synchronizer/steps/sync_fabric_port.py
@@ -13,6 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+#from __future__ import absolute_import
+
 import requests
 import urllib
 from requests.auth import HTTPBasicAuth
@@ -117,15 +119,21 @@
     def delete_record(self, model):
         if model.leaf_model_name == "PortInterface":
             log.info("Received update for PortInterface", port=model.port.portId, interface=model.name)
-            log.info("Removing port interface %s from port %s/%s in onos-fabric" % (model.name, model.port.switch.ofId, model.port.portId))
+            log.info("Removing port interface %s from port %s/%s in onos-fabric" %
+                     (model.name, model.port.switch.ofId, model.port.portId))
 
             # resync the existing interfaces
             return self.sync_record(model.port)
 
         if model.leaf_model_name == "FabricIpAddress":
             # TODO add unit tests
-            log.info("Received update for FabricIpAddress", port=model.interface.port.portId, interface=model.interface.name, ip=model.ip)
-            log.info("Removing IP %s from interface %s, on port %s/%s in onos-fabric" % (model.ip, model.interface.name, model.interface.port.switch.ofId, model.interface.port.portId))
+            log.info(
+                "Received update for FabricIpAddress",
+                port=model.interface.port.portId,
+                interface=model.interface.name,
+                ip=model.ip)
+            log.info("Removing IP %s from interface %s, on port %s/%s in onos-fabric" %
+                     (model.ip, model.interface.name, model.interface.port.switch.ofId, model.interface.port.portId))
 
             # resync the existing interfaces
             return self.sync_record(model.interface.port)