def load_utt_list(utt_list):
    """Load a list of utterances.

    Args:
        utt_list (str): path to a file containing a list of utterances

    Returns:
        List[str]: list of utterances
    """
    utt_ids = []
    with open(utt_list) as f:
        for utt_id in f:
            utt_id = utt_id.strip()
            if len(utt_id) > 0:
                utt_ids.append(utt_id)
    return utt_ids