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

Change-Id: I916f4b632019dddceae5a6f024a0b1c64d8188d8
diff --git a/xos/synchronizer/event_steps/kubernetes_event.py b/xos/synchronizer/event_steps/kubernetes_event.py
index 507da0d..9f02171 100644
--- a/xos/synchronizer/event_steps/kubernetes_event.py
+++ b/xos/synchronizer/event_steps/kubernetes_event.py
@@ -13,10 +13,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from __future__ import absolute_import
 
 import json
-import os
-import sys
 from xossynchronizer.event_steps.eventstep import EventStep
 from xossynchronizer.modelaccessor import model_accessor
 from xossynchronizer.modelaccessor import FabricService, Switch, Service
@@ -25,6 +24,7 @@
 
 log = create_logger(Config().get('logging'))
 
+
 class KubernetesPodDetailsEventStep(EventStep):
     topics = ["xos.kubernetes.pod-details"]
     technology = "kafka"
@@ -63,12 +63,17 @@
 
             for switch in Switch.objects.all():
                 log.info("Dirtying Switch", switch=switch)
-                switch.backend_code=0
-                switch.backend_status="resynchronize due to kubernetes event"
+                switch.backend_code = 0
+                switch.backend_status = "resynchronize due to kubernetes event"
                 switch.save(update_fields=["updated", "backend_code", "backend_status"], always_update_timestamp=True)
 
                 for port in switch.ports.all():
                     log.info("Dirtying SwitchPort", port=port)
-                    port.backend_code=0
-                    port.backend_status="resynchronize due to kubernetes event"
-                    port.save(update_fields=["updated", "backend_code", "backend_status"], always_update_timestamp=True)
+                    port.backend_code = 0
+                    port.backend_status = "resynchronize due to kubernetes event"
+                    port.save(
+                        update_fields=[
+                            "updated",
+                            "backend_code",
+                            "backend_status"],
+                        always_update_timestamp=True)