How to use the openjij.KingGraph function in openjij

def test_king_graph(self):
        h = {}
        J = {(0, 1): -1.0, (1, 2): -3.0}
        king_interaction = [[0, 0, 1, 0, -1.0], [1, 0, 2, 0, -3.0]]

        king_graph = oj.KingGraph(machine_type="ASIC", linear=h, quadratic=J)
        correct_mat = np.array([[0, -1, 0, ], [-1, 0, -3], [0, -3, 0]])
        np.testing.assert_array_equal(
            king_graph.ising_interactions(), correct_mat.astype(np.float))
        np.testing.assert_array_equal(
            king_interaction, king_graph._ising_king_graph)

        king_graph = oj.KingGraph(
            machine_type="ASIC", king_graph=king_interaction)
        np.testing.assert_array_equal(
            king_interaction, king_graph._ising_king_graph)

        king_graph = oj.KingGraph.from_qubo(machine_type="ASIC", Q={
            (0, 1): -1})
        king_interaction = [[0, 0, 0, 0, -0.25],
                            [0, 0, 1, 0, -0.25], [1, 0, 1, 0, -0.25]]
        np.testing.assert_array_equal(
            king_interaction, king_graph._ising_king_graph)

def test_king_graph(self):
        h = {}
        J = {(0, 1): -1.0, (1, 2): -3.0}
        king_interaction = [[0, 0, 1, 0, -1.0], [1, 0, 2, 0, -3.0]]

        king_graph = oj.KingGraph(machine_type="ASIC", linear=h, quadratic=J)
        correct_mat = np.array([[0, -1, 0, ], [-1, 0, -3], [0, -3, 0]])
        np.testing.assert_array_equal(
            king_graph.ising_interactions(), correct_mat.astype(np.float))
        np.testing.assert_array_equal(
            king_interaction, king_graph._ising_king_graph)

        king_graph = oj.KingGraph(
            machine_type="ASIC", king_graph=king_interaction)
        np.testing.assert_array_equal(
            king_interaction, king_graph._ising_king_graph)

        king_graph = oj.KingGraph.from_qubo(machine_type="ASIC", Q={
            (0, 1): -1})
        king_interaction = [[0, 0, 0, 0, -0.25],
                            [0, 0, 1, 0, -0.25], [1, 0, 1, 0, -0.25]]
        np.testing.assert_array_equal(