def _successors(self, node):
        """
        Get all nodes of the scene that succeeds a specified node.

        Parameters
        ------------
        node : any
          Hashable key in `scene.graph`

        Returns
        -----------
        subnodes : set[str]
          Set of nodes.
        """
        # get every node that is a successor to specified node
        # this includes `node`
        return self._scene.graph.transforms.successors(node)

        Get all nodes of the scene that succeeds a specified node.

        Parameters
        ------------
        node : any
          Hashable key in `scene.graph`

        Returns
        -----------
        subnodes : set[str]
          Set of nodes.
        
deploy/teleop/robot_control/dex_retargeting/yourdfpy.py