How to use the nidcpower.ApertureTimeUnits.POWER_LINE_CYCLES function in nidcpower

def test_reset_with_default(session):
    channel = session.channels['0']
    assert channel.aperture_time_units == nidcpower.ApertureTimeUnits.SECONDS
    channel.aperture_time_units = nidcpower.ApertureTimeUnits.POWER_LINE_CYCLES
    session.reset_with_defaults()
    assert channel.aperture_time_units == nidcpower.ApertureTimeUnits.SECONDS

def test_config_aperture_time(single_channel_session):
    expected_default_aperture_time = 0.01666
    default_aperture_time = single_channel_session.aperture_time
    assert single_channel_session.aperture_time_units == nidcpower.ApertureTimeUnits.SECONDS
    default_aperture_time_in_range = abs(default_aperture_time - expected_default_aperture_time) <= max(1e-09 * max(abs(default_aperture_time), abs(expected_default_aperture_time)), 0.0)  # https://stackoverflow.com/questions/5595425/what-is-the-best-way-to-compare-floats-for-almost-equality-in-python
    assert default_aperture_time_in_range is True
    single_channel_session.configure_aperture_time(5, nidcpower.ApertureTimeUnits.POWER_LINE_CYCLES)
    assert single_channel_session.aperture_time_units == nidcpower.ApertureTimeUnits.POWER_LINE_CYCLES
    aperture_time = single_channel_session.aperture_time
    expected_aperture_time = 5
    aperture_time_in_range = abs(aperture_time - expected_aperture_time) <= max(1e-09 * max(abs(aperture_time), abs(expected_aperture_time)), 0.0)  # https://stackoverflow.com/questions/5595425/what-is-the-best-way-to-compare-floats-for-almost-equality-in-python
    assert aperture_time_in_range is True

def test_config_aperture_time(single_channel_session):
    expected_default_aperture_time = 0.01666
    default_aperture_time = single_channel_session.aperture_time
    assert single_channel_session.aperture_time_units == nidcpower.ApertureTimeUnits.SECONDS
    default_aperture_time_in_range = abs(default_aperture_time - expected_default_aperture_time) <= max(1e-09 * max(abs(default_aperture_time), abs(expected_default_aperture_time)), 0.0)  # https://stackoverflow.com/questions/5595425/what-is-the-best-way-to-compare-floats-for-almost-equality-in-python
    assert default_aperture_time_in_range is True
    single_channel_session.configure_aperture_time(5, nidcpower.ApertureTimeUnits.POWER_LINE_CYCLES)
    assert single_channel_session.aperture_time_units == nidcpower.ApertureTimeUnits.POWER_LINE_CYCLES
    aperture_time = single_channel_session.aperture_time
    expected_aperture_time = 5
    aperture_time_in_range = abs(aperture_time - expected_aperture_time) <= max(1e-09 * max(abs(aperture_time), abs(expected_aperture_time)), 0.0)  # https://stackoverflow.com/questions/5595425/what-is-the-best-way-to-compare-floats-for-almost-equality-in-python
    assert aperture_time_in_range is True