about JPS , i have ues one point as obstacle, it doesn't work

saying that:
File "F:\ceshi1\python_motion_planning-master\example\global_example.py", line 40, in
planner.run()
File "F:\ceshi1\python_motion_planning-master\global_planner\graph_search\a_star.py", line 143, in run
(cost, path), expand = self.plan()
File "F:\ceshi1\python_motion_planning-master\global_planner\graph_search\jps.py", line 77, in plan
jp = self.jump(node, motion)
File "F:\ceshi1\python_motion_planning-master\global_planner\graph_search\jps.py", line 136, in jump
return self.jump(new_node, motion)
File "F:\ceshi1\python_motion_planning-master\global_planner\graph_search\jps.py", line 136, in jump
return self.jump(new_node, motion)
File "F:\ceshi1\python_motion_planning-master\global_planner\graph_search\jps.py", line 136, in jump
return self.jump(new_node, motion)
[Previous line repeated 989 more times]
File "F:\ceshi1\python_motion_planning-master\global_planner\graph_search\jps.py", line 121, in jump
if new_node == self.goal:
File "F:\ceshi1\python_motion_planning-master\utils\environment\node.py", line 49, in eq
return self.current == node.current
RecursionError: maximum recursion depth exceeded in comparison