in Payment value is amount, in Bill_line amount is quantity

port/models.py

@@ -61,11 +61,11 @@ class Payment(models.Model):
 	num =
 	date = models.DateTimeField('date published')
 	pay_type =
-  value =
+	amount =
   
 class Bill_line(models.Model):
 	service = 
-  amount = 
+	quantity = 
   
 class Service(models.Model):
 	service_type =