def METHOD_NAME():
    nfc_label = normalize("NFC", "àæßšūÿź")  # cspell: disable-line
    nfd_label = normalize("NFD", nfc_label)
    nfc_email = normalize("NFC", "àæßš@ūÿ.ź")  # cspell: disable-line
    nfd_email = normalize("NFD", nfc_email)
    assert nfc_label != nfd_label
    assert nfc_email != nfd_email
    hh = HumanHandle(nfd_email, nfd_label)
    assert hh.email == nfc_email
    assert hh.label == nfc_label
    hh = HumanHandle(nfc_email, nfc_label)
    assert hh.email == nfc_email
    assert hh.label == nfc_label