hello ; i'm running Ubuntu 12.04 and I am getting following errors when I execute keystone-manage db_sync command... :/

i put this line in the "/etc/keystone/keystone.conf": connection = mysql://keystone:password@localhost/keystone and when i test this
* keystone-manage db_sync

This error appear:

File "/usr/lib/python2.7/dist-packages/MySQLdb/connections.py", line 187, in __init__ super(Connection, self).__init__(args, *kwargs2) sqlalchemy.exc.OperationalError: (OperationalError) (1045, "Access denied for user 'keystone'@'localhost' (using password: YES)") None None