def get_zones(region, auth_kwargs):
    """
    :param auth_kwargs:
    :param region: region to get the availability zones for
    :return: list of availability zones
    """
    ec2_conn = boto.ec2.connect_to_region(region, **auth_kwargs)
    return [zone.name for zone in ec2_conn.get_all_zones()]
:param auth_kwargs:
    :param region: region to get the availability zones for
    :return: list of availability zones