fix: use percent string templates for db.sql calls
diff --git a/erpnext/stock/get_item_details.py b/erpnext/stock/get_item_details.py
index 3fc1df7..98d08c0 100644
--- a/erpnext/stock/get_item_details.py
+++ b/erpnext/stock/get_item_details.py
@@ -935,8 +935,8 @@
 def get_company_total_stock(item_code, company):
 	return frappe.db.sql("""SELECT sum(actual_qty) from 
 		(`tabBin` INNER JOIN `tabWarehouse` ON `tabBin`.warehouse = `tabWarehouse`.name) 
-		WHERE `tabWarehouse`.company = '{0}' and `tabBin`.item_code = '{1}'"""
-		.format(company, item_code))[0][0]
+		WHERE `tabWarehouse`.company = %s and `tabBin`.item_code = %s""",
+		(company, item_code))[0][0]
 
 @frappe.whitelist()
 def get_serial_no_details(item_code, warehouse, stock_qty, serial_no):