How to use the pygalmesh.Extrude function in pygalmesh

def test_extrude_rotate():
    p = pygalmesh.Polygon2D([[-0.5, -0.3], [0.5, -0.3], [0.0, 0.5]])
    edge_size = 0.1
    domain = pygalmesh.Extrude(p, [0.0, 0.0, 1.0], 0.5 * 3.14159265359, edge_size)
    mesh = pygalmesh.generate_mesh(
        domain, cell_size=0.1, edge_size=edge_size, verbose=False
    )

    tol = 1.0e-3
    assert abs(max(mesh.points[:, 0]) - 0.583012701892) < tol
    assert abs(min(mesh.points[:, 0]) + 0.5) < tol
    assert abs(max(mesh.points[:, 1]) - 0.5) < tol
    assert abs(min(mesh.points[:, 1]) + 0.583012701892) < tol
    assert abs(max(mesh.points[:, 2]) - 1.0) < tol
    assert abs(min(mesh.points[:, 2]) + 0.0) < tol

    vol = sum(helpers.compute_volumes(mesh.points, mesh.cells["tetra"]))
    assert abs(vol - 0.4) < 0.05
    return

def test_extrude():
    p = pygalmesh.Polygon2D([[-0.5, -0.3], [0.5, -0.3], [0.0, 0.5]])
    domain = pygalmesh.Extrude(p, [0.0, 0.3, 1.0])
    mesh = pygalmesh.generate_mesh(domain, cell_size=0.1, edge_size=0.1, verbose=False)

    tol = 1.0e-3
    assert abs(max(mesh.points[:, 0]) - 0.5) < tol
    assert abs(min(mesh.points[:, 0]) + 0.5) < tol
    assert abs(max(mesh.points[:, 1]) - 0.8) < tol
    assert abs(min(mesh.points[:, 1]) + 0.3) < tol
    # Relax tolerance for debian, see 
    assert abs(max(mesh.points[:, 2]) - 1.0) < 1.1e-3
    assert abs(min(mesh.points[:, 2]) + 0.0) < tol

    vol = sum(helpers.compute_volumes(mesh.points, mesh.cells["tetra"]))
    assert abs(vol - 0.4) < tol
    return