def get_formatter(format):
    try:
        return _FORMATTERS_REGISTER[format]
    except KeyError:
        raise RuntimeError('No formatter registered for format "%s"' % format)
``ZFSSnapshots.list()`` calls the ``zfs list`` command with the pool
dataset/ETHPy150Open fiam/wapi/formatters/__init__.py/get_formatter--crossover with--dataset/ETHPy150Open ClusterHQ/flocker/flocker/volume/test/test_filesystems_zfs.py/ZFSSnapshotsTests.test_list