def jiffer_status_string(pybert) -> str:
    """Return the jitter portion of the statusbar string."""
    try:
        jit_str = "         | Jitter (ps):    ISI=%6.3f    DCD=%6.3f    Pj=%6.3f    Rj=%6.3f" % (
            pybert.isi_dfe * 1.0e12,
            pybert.dcd_dfe * 1.0e12,
            pybert.pj_dfe * 1.0e12,
            pybert.rj_dfe * 1.0e12,
        )
    except:
        jit_str = "         | (Jitter not available.)"
    return jit_str