def METHOD_NAME(element, **kwargs):
    if element.family() == "Lagrange" and element.cell() == interval \
       and element.degree() == 3 and element.variant() == "interior-moment":
        return FInAT_P3IntMoments(as_fiat_cell(element.cell()), element.degree()), set()
    else:
        return old_convert(element, **kwargs)