def METHOD_NAME(cls, datatype: str) -> bool:
    """
    Return whether we should return eval_labels or labels.
    :param datatype:
        parlai datatype
    :return is_training:
        bool indicating whether should return eval_labels or labels
    """
    assert datatype is not None, 'datatype must not be none'
    return 'train' in datatype and 'evalmode' not in datatype