code: def __str__(self):
      return "Id: {}, study_name: {}, name: {}, parameter_values: {}, objective_value: {}".format(
          self.id,
          self.study_name,
          self.name,
          self.parameter_values,
          self.objective_value,
      )
  
file_path: advisor/advisor_client/advisor_client/model.py
imports: import six
label_desc: Use image node_id 2 for calling the Trial obj's underlying member method code with example usage: obj.__str__() and returns: str