diff --git a/InvenTree/plugin/base/barcodes/mixins.py b/InvenTree/plugin/base/barcodes/mixins.py
index 450ea9a9724..46f90dce856 100644
--- a/InvenTree/plugin/base/barcodes/mixins.py
+++ b/InvenTree/plugin/base/barcodes/mixins.py
@@ -201,7 +201,7 @@ def receive_purchase_order_item(
             }
         }
 
-        if quantity and type(quantity) != int:
+        if quantity and not isinstance(quantity, int):
             try:
                 quantity = int(quantity)
                 response["lineitem"]["quantity"] = quantity
diff --git a/InvenTree/plugin/builtin/suppliers/test_supplier_barcodes.py b/InvenTree/plugin/builtin/suppliers/test_supplier_barcodes.py
index 1710a7c0dc2..25662e4e51b 100644
--- a/InvenTree/plugin/builtin/suppliers/test_supplier_barcodes.py
+++ b/InvenTree/plugin/builtin/suppliers/test_supplier_barcodes.py
@@ -2,9 +2,8 @@
 
 from django.urls import reverse
 
-from InvenTree.unit_test import InvenTreeAPITestCase
-
 from company.models import Company, ManufacturerPart, SupplierPart
+from InvenTree.unit_test import InvenTreeAPITestCase
 from order.models import PurchaseOrder, PurchaseOrderLineItem
 from part.models import Part
 from stock.models import StockItem, StockLocation