Pricing form

modules/purchase_trade/pricing.py

@@ -997,7 +997,8 @@ class Pricing(ModelSQL,ModelView):
         depends=['available_components'])#, ondelete='CASCADE')
     available_components = fields.Function(
         fields.One2Many('pricing.component', '', "Available Components"),
-        'on_change_with_available_components')
+        'on_change_with_available_components',
+        setter='set_available_components')
     quantity = fields.Numeric("Qt",digits='unit')
     settl_price = fields.Numeric("Settl. price",digits='unit')
     fixed_qt = fields.Numeric("Fixed qt",digits='unit', readonly=True)
@@ -1046,6 +1047,10 @@ class Pricing(ModelSQL,ModelView):
             return Component.search([('sale_line', '=', sale_line)])
         return []
 
+    @classmethod
+    def set_available_components(cls, records, name, value):
+        pass
+
     @staticmethod
     def _weighted_average_price(fixed_qt, fixed_price, unfixed_qt, unfixed_price):
         fixed_qt = Decimal(str(fixed_qt or 0))