def get_paasta_tag_from_deploy_group(identifier, desired_state):
    timestamp = format_timestamp(datetime.datetime.utcnow())
    return (identifier, timestamp, desired_state) % 'paasta-%s-%s-%s'
dataset/ETHPy150Open Yelp/paasta/paasta_tools/utils.py/get_paasta_tag_from_deploy_group/swapped operands of `%`