get_client_manager failed

[yangfan]

def get_client_manager(backup_args):
    if "osrc" in backup_args:
        options = osclients.OpenstackOpts.create_from_dict(
            parse_osrc(backup_args['osrc'])) #It will don't return a __dict__ type
    else:
        options = osclients.OpenstackOpts.create_from_env().get_opts_dicts()
    if backup_args['project_id']:
        options['project_name'] = None
        options['project_id'] = backup_args['project_id'] #In get_opts_dicts(),when it's keystone v2.
                                                           #This member will be delete.
    client_manager = osclients.OSClientManager(
        auth_url=options.pop('auth_url', None),
        auth_method=options.pop('auth_method', 'password'),
        dry_run=backup_args.get('dry_run', None),
        **options
    )
    return client_manager