def _add_lab_command(subparsers, parents):
    """
    Adds lab to the edition parsers.
    """
    parser_lab = subparsers.add_parser('lab', help='Lab edition', parents=
        parents)
    mutex = parser_lab.add_mutually_exclusive_group(required=True)
    mutex.add_argument('--project', required=False, help='Id of project')
    mutex.add_argument('--group', required=False, help='Id of group')
