diff --git a/business/powerUsageRules.py b/business/powerUsageRules.py
index d3b5602..10602d9 100644
--- a/business/powerUsageRules.py
+++ b/business/powerUsageRules.py
@@ -1,6 +1,4 @@
-
-class PowerUsageRules():
-
+class PowerUsageRules:
     rules = [{'rule_id': 1,
               'rule_name': "Pool Heating Threshold",
               'rule_remaining_power_value': 1000,
@@ -9,4 +7,4 @@ class PowerUsageRules():
               'action_device_name': 'PAC piscine',
               'action_device_type': 'philips_hue'
               }
-              ]
+             ]