merge

lib/pages/rates/shipment_rates_edit.dart

@@ -307,10 +307,12 @@ class _ShipmentRatesEditState extends State<ShipmentRatesEdit> {
     try {
       var shipmentRateModel =
           Provider.of<ShipmentRateModel>(context, listen: false);
-      Rate _rate = Rate(
+      Rate _rate = new Rate(
           deliveryFee: double.parse(_deliveryFee.text),
           freeDeliveryWeight: double.parse(_minWeight.text),
           volumetricRatio: double.parse(_volumetricRatio.text));
+         Rate r = new Rate();
+      print('_rate =>$r');
       await shipmentRateModel.updateRate(_rate);
       Navigator.pop(context);
     } catch (e) {