diff --git a/tricircle/common/rpc.py b/tricircle/common/rpc.py
index 4c3036e..81a0f27 100644
--- a/tricircle/common/rpc.py
+++ b/tricircle/common/rpc.py
@@ -29,6 +29,7 @@ TRANSPORT = oslo_messaging.get_transport(cfg.CONF)
 
 LOG = logging.getLogger(__name__)
 
+
 class NetworkingRpcApi(object):
     def __init__(self):
         if not neutron_rpc.TRANSPORT: