diff --git a/synapse/federation/transport/server.py b/synapse/federation/transport/server.py
index da9e7a326..a1a334955 100644
--- a/synapse/federation/transport/server.py
+++ b/synapse/federation/transport/server.py
@@ -134,7 +134,8 @@ class Authenticator(object):
 
 
 class BaseFederationServlet(object):
-    def __init__(self, handler, authenticator, ratelimiter, server_name, room_list_handler):
+    def __init__(self, handler, authenticator, ratelimiter, server_name,
+                 room_list_handler):
         self.handler = handler
         self.authenticator = authenticator
         self.ratelimiter = ratelimiter
@@ -492,6 +493,7 @@ class OpenIdUserInfo(BaseFederationServlet):
     def _wrap(self, code):
         return code
 
+
 class PublicRoomList(BaseFederationServlet):
     """
     Fetch the public room list for this server.