diff --git a/src/common/tests/MockServicerImpl_Context.py b/src/common/tests/MockServicerImpl_Context.py
index 3d6cde289fd924c8d9ff2e4442e0edeed232fb6b..3f4af19eced89843552737ae6f8b773d3fa26a58 100644
--- a/src/common/tests/MockServicerImpl_Context.py
+++ b/src/common/tests/MockServicerImpl_Context.py
@@ -17,8 +17,9 @@ from typing import Any, Dict, Iterator, List, Set
 from common.proto.context_pb2 import (
     Connection, ConnectionEvent, ConnectionId, ConnectionIdList, ConnectionList,
     Context, ContextEvent, ContextId, ContextIdList, ContextList,
-    Device, DeviceEvent, DeviceFilter, DeviceId, DeviceIdList, DeviceList, Empty,
-    EventTypeEnum, Link, LinkEvent, LinkId, LinkIdList, LinkList,
+    Device, DeviceEvent, DeviceFilter, DeviceId, DeviceIdList, DeviceList,
+    Empty, EventTypeEnum,
+    Link, LinkEvent, LinkId, LinkIdList, LinkList,
     Service, ServiceEvent, ServiceFilter, ServiceId, ServiceIdList, ServiceList,
     Slice, SliceEvent, SliceFilter, SliceId, SliceIdList, SliceList,
     Topology, TopologyEvent, TopologyId, TopologyIdList, TopologyList)