diff --git a/synapse/rest/client/v1/push_rule.py b/synapse/rest/client/v1/push_rule.py
index 52f2b19bbe..550554c18c 100644
--- a/synapse/rest/client/v1/push_rule.py
+++ b/synapse/rest/client/v1/push_rule.py
@@ -290,7 +290,6 @@ class PushRuleRestServlet(ClientV1RestServlet):
     def on_OPTIONS(self, _):
         return 200, {}
 
-
 def _add_empty_priority_class_arrays(d):
     for pc in PushRuleRestServlet.PRIORITY_CLASS_MAP.keys():
         d[pc] = []