bels
        vs = graph.vs
        if vertex_order is None:
            # Default vertex order
            vertex_coord_iter = zip(vertex_builder, layout)
        else:
            # Specified vertex order
            vertex_coord_iter = ((vertex_builder[i], layout[i]) for i in vertex_order)

        # Draw the vertex labels
        for vertex, coords in vertex_coord_iter:
            if vertex.label is None:
                continue

            label_size = kwds.get(
                &#34;vertex_label_size