diff --git a/synapse/push/push_rule_evaluator.py b/synapse/push/push_rule_evaluator.py
index 9cf3f9c632..a91dc0ee08 100644
--- a/synapse/push/push_rule_evaluator.py
+++ b/synapse/push/push_rule_evaluator.py
@@ -32,9 +32,11 @@ INEQUALITY_EXPR = re.compile("^([=<>]*)([0-9]*)$")
 def _room_member_count(ev, condition, room_member_count):
     return _test_ineq_condition(condition, room_member_count)
 
+
 def _sender_power_level(ev, condition, power_level):
     return _test_ineq_condition(condition, power_level)
 
+
 def _test_ineq_condition(condition, number):
     if 'is' not in condition:
         return False
@@ -60,6 +62,7 @@ def _test_ineq_condition(condition, number):
     else:
         return False
 
+
 def tweaks_for_actions(actions):
     tweaks = {}
     for a in actions: