customs_declaration: use price from sale order, not move line

models/shipcloud_delivery_carrier.py

@@ -126,12 +126,16 @@ class SCDeliveryCarrier(models.Model):
             else:
                 raise Warning('Product %s has no Country of Origin defined' % (ptempl.name))
             weight = ptempl.weight
+        if line.procurement_id and line.procurement_id.sale_line_id:
+            price_unit = line.procurement_id.sale_line_id.price_unit
+        else:
+            raise Warning('Line has no procurement or procurement no sale order line?!?')
         res = {
             'origin_country': orig,
             'description': line.name,
             'hs_tariff_number': hts,
             'quantity': q,
-            'value_amount': line.price_unit,
+            'value_amount': price_unit,
             'net_weight': weight,
         }
         return res