Set docstatus as 2 for a purchase returned serial no
diff --git a/erpnext/stock/doctype/stock_entry/stock_entry.py b/erpnext/stock/doctype/stock_entry/stock_entry.py
index be37880..1a3e783 100644
--- a/erpnext/stock/doctype/stock_entry/stock_entry.py
+++ b/erpnext/stock/doctype/stock_entry/stock_entry.py
@@ -438,6 +438,7 @@
 						#delete_doc("Serial No", serial_no)
 						serial_doc = Document("Serial No", serial_no)
 						serial_doc.status = 'Purchase Returned'
+						serial_doc.docstatus = 2
 						serial_doc.save()