code: def create_checkpoint(self, notebook_id, jupyter_path, _file=None):
      pass
  
imports: from abc import ABC, abstractmethod
  from typing import Dict
  from neptune.legacy.model import ChannelWithLastValue
label_desc: Use image node_id 11 for calling the LeaderboardApiClient obj's underlying member method code with example usage: obj.create_checkpoint(notebook_id, jupyter_path, _file) without return types