code: def load(self):
      if os.path.exists(self._path):
          with open(self._path) as f:
              return f.read()
  
imports: import json
  import logging
  import os
  from abc import ABC, abstractmethod
  import mlflow
  from mlflow.recipes.utils.execution import get_step_output_path
  from mlflow.tracking import MlflowClient
  from mlflow.tracking._tracking_service.utils import _use_tracking_uri
  from mlflow.utils.file_utils import chdir
label_desc: Use image node_id 4 for calling the HyperParametersArtifact obj's underlying member method code with example usage: obj.load() and returns: f