code: def connect_edges(graph):
      
      paths = []
      for start, end in graph.array(graph.kdims):
          start_ds = graph.nodes[:, :, start]
          end_ds = graph.nodes[:, :, end]
          if not len(start_ds) or not len(end_ds):
              raise ValueError('Could not find node positions for all edges')
          start = start_ds.array(start_ds.kdims[:2])
          end = end_ds.array(end_ds.kdims[:2])
          paths.append(np.array([start[0], end[0]]))
      return paths
docs: Given a Graph element containing abstract edges compute edge
      segments directly connecting the source and target nodes.  This
      operation just uses internal HoloViews operations and will be a
      lot slower than the pandas equivalent.