add default_shipment_address

sale.py

@@ -96,8 +96,14 @@ class SaleLine(metaclass=PoolMeta):
     address_equipment = fields.Many2One('party.address', "Direccion")
     unit_digits = fields.Function(fields.Integer('Unit Digits'),
         'on_change_with_unit_digits')
-    
 
+    
+    @fields.depends('sale','_parent_sale.shipment_address')
+    def default_address_equipment(self, name=None):
+        #raise UserError(str((self.sale)))
+        self.address_equipment = self.sale.shipment_address.id
+        return self.address_equipment
+    
     def on_change_with_unit_digits(self, name=None):
         if self.unit:
             return self.unit.digits