Update repost_gle_for_pos_sales_return.py
diff --git a/erpnext/patches/v7_0/repost_gle_for_pos_sales_return.py b/erpnext/patches/v7_0/repost_gle_for_pos_sales_return.py
index d3dd2e9..77ecafd 100644
--- a/erpnext/patches/v7_0/repost_gle_for_pos_sales_return.py
+++ b/erpnext/patches/v7_0/repost_gle_for_pos_sales_return.py
@@ -7,6 +7,7 @@
 
 def execute():
 	frappe.reload_doctype("Sales Invoice")
+	frappe.reload_doctype("Sales Invoice Item")
 	
 	for si in frappe.get_all("Sales Invoice", fields = ["name"], 
 		filters={"docstatus": 1, "is_pos": 1, "is_return": 1}):