Allow to subscribe before subscription end

core/models.py

@@ -230,7 +230,7 @@ class User(AbstractBaseUser):
 
     @cached_property
     def is_subscribed(self):
-        s = self.subscriptions.last()
+        s = self.subscriptions.filter(subscription_start__lte=timezone.now()).last()
         return s.is_valid_now() if s is not None else False
 
     _club_memberships = {}