'Return a list of tensor names (guaranteed not op name) this inferencer needs.'

def get_fetches(self):

    try:
        ret = self._get_fetches()
    except NotImplementedError:
        logger.warn('Inferencer._get_output_tensors    was    renamed    to    _get_fetches')
        ret = self._get_output_tensors()
    return [get_op_tensor_name(n)[1] for n in ret]
