How to use the morphio.MitochondriaPointLevel function in morphio

def test_mitochondria():
    morpho = Morphology()
    morpho.soma.points = [[0, 0, 0], [1, 1, 1]]
    morpho.soma.diameters = [1, 1]

    neuronal_section_ids = [0, 0]
    relative_pathlengths = np.array([0.5, 0.6], dtype=np.float32)
    diameters = [10, 20]
    mito_id = morpho.mitochondria.append_root_section(
        MitochondriaPointLevel(neuronal_section_ids,
                                   relative_pathlengths,
                                   diameters))

    mito_id.append_section(
        MitochondriaPointLevel([0, 0, 0, 0],
                                        [0.6, 0.7, 0.8, 0.9],
                                        [20, 30, 40, 50]))
    with setup_tempdir('test_mitochondria') as tmp_folder:
        morpho.write(os.path.join(tmp_folder, "test.h5"))

        with captured_output() as (_, err):
            with ostream_redirect(stdout=True, stderr=True):
                morpho.write(os.path.join(tmp_folder, "test.swc"))
                assert_string_equal(err.getvalue(),
                             "Warning: this cell has mitochondria, they cannot be saved in  ASC or SWC format. Please use H5 if you want to save them.")

        with captured_output() as (_, err):
            with ostream_redirect(stdout=True, stderr=True):
                morpho.write(os.path.join(tmp_folder, "test.asc"))
                assert_string_equal(err.getvalue(),
                             "Warning: this cell has mitochondria, they cannot be saved in  ASC or SWC format. Please use H5 if you want to save them.")

def test_mitochondria():
    morpho = Morphology()
    morpho.soma.points = [[0, 0, 0], [1, 1, 1]]
    morpho.soma.diameters = [1, 1]

    morpho.append_root_section(PointLevel([[2, 2, 2], [3, 3, 3]],
                                          [4, 4],
                                          [5, 5]),
                               SectionType.axon)

    mito = morpho.mitochondria
    first_mito_id = mito.append_root_section(MitochondriaPointLevel([0, 0], [0.5, 0.6],
                                                                    [10, 20]))

    first_child = first_mito_id.append_section(
                                      MitochondriaPointLevel([3, 4, 4, 5],
                                                             [0.6, 0.7, 0.8, 0.9],
                                                             [20, 30, 40, 50]))

    second_mito_id = mito.append_root_section(
                                         MitochondriaPointLevel([0, 1, 1, 2],
                                                                [0.6, 0.7, 0.8, 0.9],
                                                                [5, 6, 7, 8]))

    assert_equal(mito.is_root(first_mito_id), True)
    assert_equal(mito.children(first_mito_id), [first_child])
    assert_equal(mito.parent(first_child), first_mito_id)
    assert_equal(mito.root_sections, [first_mito_id, second_mito_id])

def test_mitochondria():
    morpho = Morphology()
    morpho.soma.points = [[0, 0, 0], [1, 1, 1]]
    morpho.soma.diameters = [1, 1]

    neuronal_section_ids = [0, 0]
    relative_pathlengths = np.array([0.5, 0.6], dtype=np.float32)
    diameters = [10, 20]
    mito_id = morpho.mitochondria.append_root_section(
        MitochondriaPointLevel(neuronal_section_ids,
                                   relative_pathlengths,
                                   diameters))

    mito_id.append_section(
        MitochondriaPointLevel([0, 0, 0, 0],
                                        [0.6, 0.7, 0.8, 0.9],
                                        [20, 30, 40, 50]))
    with setup_tempdir('test_mitochondria') as tmp_folder:
        morpho.write(os.path.join(tmp_folder, "test.h5"))

        with captured_output() as (_, err):
            with ostream_redirect(stdout=True, stderr=True):
                morpho.write(os.path.join(tmp_folder, "test.swc"))
                assert_string_equal(err.getvalue(),
                             "Warning: this cell has mitochondria, they cannot be saved in  ASC or SWC format. Please use H5 if you want to save them.")

def test_mitochondria():
    morpho = Morphology()
    morpho.soma.points = [[0, 0, 0], [1, 1, 1]]
    morpho.soma.diameters = [1, 1]

    morpho.append_root_section(PointLevel([[2, 2, 2], [3, 3, 3]],
                                          [4, 4],
                                          [5, 5]),
                               SectionType.axon)

    mito = morpho.mitochondria
    first_mito_id = mito.append_root_section(MitochondriaPointLevel([0, 0], [0.5, 0.6],
                                                                    [10, 20]))

    first_child = first_mito_id.append_section(
                                      MitochondriaPointLevel([3, 4, 4, 5],
                                                             [0.6, 0.7, 0.8, 0.9],
                                                             [20, 30, 40, 50]))

    second_mito_id = mito.append_root_section(
                                         MitochondriaPointLevel([0, 1, 1, 2],
                                                                [0.6, 0.7, 0.8, 0.9],
                                                                [5, 6, 7, 8]))

    assert_equal(mito.is_root(first_mito_id), True)
    assert_equal(mito.children(first_mito_id), [first_child])
    assert_equal(mito.parent(first_child), first_mito_id)
    assert_equal(mito.root_sections, [first_mito_id, second_mito_id])

    assert_array_equal(first_child.diameters,
                       [20, 30, 40, 50])
    assert_array_equal(first_child.neurite_section_ids,