code: def load_checkpoint(self, checkpoint: Union[Dict, str]):
      pass
  
file_path: determined/examples/features/unmanaged/ray/ray_hp_search_cleanup.py
imports: import random
  import uuid
  from typing import Dict, Union
  import ray
  from ray import air, tune
  from ray.tune.schedulers import AsyncHyperBandScheduler
  from determined.experimental import core_v2
label_desc: Use image node_id 5 for calling the Trainable obj's underlying member method code with example usage: obj.load_checkpoint(checkpoint) without return types