def add_desi_proc_joint_fit_terms(parser):
    """
    Add parameters to the argument parser that are only used by desi_proc_joint_fit
    """
    #parser.add_argument("-n", "--nights", type=str, help="YEARMMDD nights")
    parser.add_argument("-e", "--expids", type=str, help="Exposure IDs")
    parser.add_argument("-i", "--inputs", type=str, help="input raw data files")

    return parser