def METHOD_NAME():
    fir = numpy.arange(10)
    assert filter_design.parse_filter(fir) == ('ba', (fir, [1.]))
    zpk = ([1, 2, 3], [4, 5, 6], 1.)
    parsed = filter_design.parse_filter(zpk)
    assert parsed[0] == 'zpk'
    utils.assert_zpk_equal(parsed[1], zpk)