code: def import_data(self, data):
          
          _completed_num = 0
          for trial_info in data:
              logger.info("Importing data, current processing progress %s / %s" %(_completed_num, len(data)))
              _completed_num += 1
              assert "parameter" in trial_info
              _params = trial_info["parameter"]
              assert "value" in trial_info
              _value = trial_info['value']
              if not _value:
                  logger.info("Useless trial data, value is %s, skip this trial data." %_value)
                  continue
              _params_tuple = convert_dict2tuple(_params)
              self.supplement_data[_params_tuple] = True
          logger.info("Successfully import data to grid search tuner.")
docs: Import additional data for tuning
  
          Parameters
          ----------
          data:
              a list of dictionarys, each of which has at least two keys, 'parameter' and 'value'