diff --git a/registrasion/tests/cart_controller_helper.py b/registrasion/tests/cart_controller_helper.py
index 9176f2c8b1eee0628b2714b6dd2c17230fe81919..0578229755a93ea39e49b76ed6e8f75fe1477dfd 100644
--- a/registrasion/tests/cart_controller_helper.py
+++ b/registrasion/tests/cart_controller_helper.py
@@ -3,6 +3,7 @@ from registrasion import models as rego
 
 from django.core.exceptions import ObjectDoesNotExist
 
+
 class TestingCartController(CartController):
 
     def set_quantity(self, product, quantity, batched=False):