simplify Subscription.save()

subscription/models.py

@@ -71,11 +71,13 @@ class Subscription(models.Model):
         else:
             return f"No user - {self.pk}"
 
-    def save(self, *args, **kwargs):
+    def save(self, *args, **kwargs) -> None:
+        if self.member.was_subscribed:
+            super().save()
+            return
+
         from counter.models import Customer
 
-        if not self.member.was_subscribed:
-            # This is the first ever subscription for this user
         customer, _ = Customer.get_or_create(self.member)
         # Someone who subscribed once will be considered forever
         # as an old subscriber.