code: def to_dict(self):
      return {
          "trial_id": self.trial_id,
          "training_step": self.training_step,
          "objective_value": self.objective_value,
      }
  
file_path: advisor/advisor_client/advisor_client/model.py
imports: import six
label_desc: Use image node_id 3 for calling the TrialMetric obj's underlying member method code with example usage: obj.to_dict() and returns: dict