def mash_dist_trusted(fasta_path):
    """
    Compute Mash distances of sketch file of genome fasta to RefSeq sketch DB.

    Args:
        mash_bin (str): Mash binary path

    Returns:
        (str): Mash STDOUT string
    """
    args = [MASH_BIN,
            'dist',
            MASH_SKETCH_FILE,
            fasta_path]
    p = Popen(args, stderr=PIPE, stdout=PIPE)
    (stdout, stderr) = p.communicate()
    retcode = p.returncode
    if retcode != 0:
        raise Exception('Could not run Mash dist {}'.format(stderr))

    return stdout