Translate payment request subject
diff --git a/erpnext/accounts/doctype/payment_request/payment_request.py b/erpnext/accounts/doctype/payment_request/payment_request.py
index 21ddb10..57ead28 100644
--- a/erpnext/accounts/doctype/payment_request/payment_request.py
+++ b/erpnext/accounts/doctype/payment_request/payment_request.py
@@ -246,7 +246,7 @@
"currency": ref_doc.currency,
"grand_total": grand_total,
"email_to": args.recipient_id or "",
- "subject": "Payment Request for %s"%args.dn,
+ "subject": _("Payment Request for {0}").format(args.dn),
"message": gateway_account.get("message") or get_dummy_message(ref_doc),
"reference_doctype": args.dt,
"reference_name": args.dn