rc], vertex_builder[dest]
                (x, y), (halign, valign) = edge_drawer.get_label_position(
                    visual_edge,
                    src_vertex,
                    dest_vertex,
                )

                text_kwargs = {}
                text_kwargs[&#39;ha&#39;] = halign.value
                text_kwargs[&#39;va&#39;] = valign.value

                if visual_edge.background is not None:
                    text_kwargs[&#39;bbox&#39;] = dict(
                        facecolor=v