Get a list of chromosomes in the input data.

    :param toil.fileStore.FileID genome_fai_file: Job store file ID for the genome fai file
    :return: Chromosomes in the sample
    :rtype: list[str]

def sample_chromosomes(job, genome_fai_file):
    """
    Get a list of chromosomes in the input data.

    :param toil.fileStore.FileID genome_fai_file: Job store file ID for the genome fai file
    :return: Chromosomes in the sample
    :rtype: list[str]
    """
    work_dir = os.getcwd()
    genome_fai = untargz(job.fileStore.readGlobalFile(genome_fai_file), work_dir)
    return chromosomes_from_fai(genome_fai)