diff --git a/synapse/rest/client/v1/pusher.py b/synapse/rest/client/v1/pusher.py
index c0f3c5a10..d0c9f0be6 100644
--- a/synapse/rest/client/v1/pusher.py
+++ b/synapse/rest/client/v1/pusher.py
@@ -24,6 +24,7 @@ import logging
 
 logger = logging.getLogger(__name__)
 
+
 class PusherRestServlet(ClientV1RestServlet):
     PATTERNS = client_path_patterns("/pushers/set$")