'Called after each new datapoint finished the forward inference.
Args:
results(list): list of results this inferencer fetched. Has the same
length as ``self._get_fetches()``.'

def on_fetches(self, results):

    try:
        self._on_fetches(results)
    except NotImplementedError:
        logger.warn('Inferencer._datapoint    was    renamed    to    _on_fetches')
        self._datapoint(results)
