diff --git a/subscription/models.py b/subscription/models.py
index f0ea0907..54700611 100644
--- a/subscription/models.py
+++ b/subscription/models.py
@@ -76,6 +76,8 @@ class Subscription(models.Model):
     class Meta:
         ordering = ["subscription_start"]
 
+
+
     def clean(self):
         try:
             for s in (
@@ -97,6 +99,8 @@ class Subscription(models.Model):
             # TODO see SubscriptionForm's clean method
             raise ValidationError(_("Subscription error"))
 
+
+
     def save(self):
         super(Subscription, self).save()
         from counter.models import Customer