agent crashes when can't connect to mysql

[Aleksandr Kuzminsky]

[root@db01 vagrant]# twindb --start
2015-05-13 15:55:34,642: twindb: INFO: start():2101: Starting TwinDB agent
2015-05-13 15:55:34,942: twindb: INFO: get_config():609: Got config:
{
    "config_id": "1",
    "mysql_password": "********",
    "mysql_user": "twindb_agent",
    "retention_policy_id": "1",
    "schedule_id": "1",
    "user_id": "1",
    "volume_id": "1"
}
2015-05-13 15:55:35,069: twindb: ERROR: get_mysql_connection():226: Can not connect to local MySQL server
2015-05-13 15:55:35,169: twindb: ERROR: get_mysql_connection():227: MySQL said: Access denied for user 'twindb_agent'@'localhost' (using password: YES)
2015-05-13 15:55:35,275: twindb: INFO: get_mysql_connection():229: Try to call the agent with -u and -p options to specify MySQL user and password
Traceback (most recent call last):
  File "/usr/bin/twindb", line 2340, in <module>
    main()
  File "/usr/bin/twindb", line 2298, in main
    start()
  File "/usr/bin/twindb", line 2110, in start
    report_sss(config)
  File "/usr/bin/twindb", line 631, in report_sss
    "mysql_server_id": ss["mysql_server_id"],
TypeError: 'NoneType' object is unsubscriptable
[root@db01 vagrant]#