@ -1434,7 +1434,7 @@ class Peer(Logger):
if accepted:
return preimage, None
elif expired:
reason = OnionRoutingFailureMessage(code=OnionFailureCode.MPP_TIMEOUT)
reason = OnionRoutingFailureMessage(code=OnionFailureCode.MPP_TIMEOUT, data=b'')
return None, reason
else:
# waiting for more htlcs