code: def edgepaths(self):
          
          if self._edgepaths:
              return self._edgepaths
          if pd is None:
              paths = connect_edges(self)
          else:
              paths = connect_edges_pd(self)
          return self.edge_type(paths, kdims=self.nodes.kdims[:2])
docs: Returns the fixed EdgePaths or computes direct connections
          between supplied nodes.