diff --git a/src/device/service/drivers/OpenFlow/OpenFlowDriver.py b/src/device/service/drivers/OpenFlow/OpenFlowDriver.py
index cd336f7bff2d5e64056f661caff20f4a49f0101d..82f3308144fdf7df595b10389591fb2d810a0ed5 100644
--- a/src/device/service/drivers/OpenFlow/OpenFlowDriver.py
+++ b/src/device/service/drivers/OpenFlow/OpenFlowDriver.py
@@ -184,7 +184,11 @@ class OpenFlowDriver(_Driver):
                                         "max_len": 65535,
                                         "type": "OUTPUT",
                                         "port": out_port
-                                    }]}]}
+                                    }
+                                ]
+                            }
+                        ]
+                    }
 
                     flow_entry_arp_foraward =  {
                                     "dpid": dpid,
@@ -201,7 +205,10 @@ class OpenFlowDriver(_Driver):
                                             "type": "OUTPUT",
                                             "port": "0xfffffffb"
                                           }
-                                    ]}]}
+                                    ]
+                                }
+                            ]
+                        }
                     flow_entry_arp_reply =  {
                                     "dpid": dpid,
                                     "priority": 65535,
diff --git a/src/device/service/drivers/OpenFlow/TfsApiClient.py b/src/device/service/drivers/OpenFlow/TfsApiClient.py
index bc95fe9ff7758ca295f79f25590ce89d7af4099f..55d8c4b6391bf8c9a37774f2b066bde14367ad57 100644
--- a/src/device/service/drivers/OpenFlow/TfsApiClient.py
+++ b/src/device/service/drivers/OpenFlow/TfsApiClient.py
@@ -144,6 +144,5 @@ class TfsApiClient:
                 'endpoints': link_endpoint_ids,
             }
             result.append((link_url, link_data))
-#
         LOGGER.debug('[get_devices_endpoints] topology; returning')
         return result