Using accountdown with level-party causes hangup about party HOT 2 CLOSED

var batch = require('level-create-batch');
var defaults = require('levelup-defaults');
var bytewise = require('bytewise');
var party = require('level-party');

var db = defaults(party('./users'), {
  keyEncoding: bytewise,
  valueEncoding: 'json'
});

var rows = [ { key: [ 'account', 'username' ], value: {} },
  { key: [ 'login', 'basic', 'username' ],
    value: 
     { id: 'username',
       hash: '38f182bb364555bc48c81272491e74c055280aaf',
       salt: '772500f88203d25ded7bec0ffb94ed09' } },
  { key: [ 'login-id', 'username', 'basic' ], value: 0 },
  { key: [ 'login-data', 'username', 'basic', 'login', 'basic', 'username' ],
    value: 0 } ];

batch(db, rows, function (err) { 
  console.log('test');
});