diff --git a/erpnext/stock/doctype/serial_no/serial_no.py b/erpnext/stock/doctype/serial_no/serial_no.py
index be26a18..c1aef95 100644
--- a/erpnext/stock/doctype/serial_no/serial_no.py
+++ b/erpnext/stock/doctype/serial_no/serial_no.py
@@ -462,5 +462,10 @@
 
 @frappe.whitelist()
 def auto_fetch_serial_number(qty, item_code, warehouse):
-	serial_numbers = frappe.get_list("Serial No", filters={"item_code": item_code, "warehouse": warehouse, "delivery_document_no": "", "sales_invoice": ""}, limit=qty, order_by="creation")
-	return [item['name'] for item in serial_numbers]
\ No newline at end of file
+	serial_numbers = frappe.get_list("Serial No", filters={
+		"item_code": item_code,
+		"warehouse": warehouse,
+		"delivery_document_no": "",
+		"sales_invoice": ""
+	}, limit=qty, order_by="creation")
+	return [item['name'] for item in serial_numbers]