[minor] get doc using party_name instead of party
diff --git a/erpnext/templates/pages/regional/india/update_gstin.py b/erpnext/templates/pages/regional/india/update_gstin.py
index 9d8d22e..643aafe 100644
--- a/erpnext/templates/pages/regional/india/update_gstin.py
+++ b/erpnext/templates/pages/regional/india/update_gstin.py
@@ -22,7 +22,7 @@
 		context.not_found = 1
 		return
 
-	context.party = frappe.get_doc(party_type, party)
+	context.party = frappe.get_doc(party_type, party_name)
 	context.party.onload()