def _interpret_step_logs(self, log_interpretation):
        if 'step' in log_interpretation:
            return

        step_interpretation = self._get_step_log_interpretation(
            log_interpretation)
        if step_interpretation:
            log_interpretation['step'] = step_interpretation
Add *step* to the log interpretation, if it's not already there.
dataset/ETHPy150Open Yelp/mrjob/mrjob/logs/mixin.py/LogInterpretationMixin._interpret_step_logs