def parse_gb_alleles_col(_bytes):
    """
    Parse 'alleles' column of table snp146 in UCSC genome browser
    """
    if _bytes == b'':
        return []
    else:
        # "A,C,".split(',') = ['A', 'C', '']
        # Remove the last empty string
        return _bytes.decode("utf-8").split(',')[:-1]