patch for is_batch_item
diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index 2773d69..8978a3b 100644
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -92,3 +92,4 @@
 erpnext.patches.v4_2.recalculate_bom_costs
 erpnext.patches.v4_2.discount_amount
 erpnext.patches.v4_2.update_landed_cost_voucher
+erpnext.patches.v4_2.set_item_batch