fix - distrbution model in quota

apps/product/models.py

@@ -445,8 +445,9 @@ class Quota(BaseModel):
         """ check if quota allowed time for distribute, sale and... is expired """
         now = datetime.now()
         persian_date = jdatetime.datetime.fromgregorian(datetime=now)
-
-        return persian_date.month in self.distribution_mode
+        if self.has_distribution_limit:
+            return persian_date.month in self.distribution_mode
+        return True
 
     def is_in_sale_licence_time(self):
         """ check if quota allowed time for sale and... is expired """