def METHOD_NAME(tmpdir):
    """Verify that manual versioning works."""
    root_dir = tmpdir.mkdir("exp")
    root_dir.mkdir("version_0")
    root_dir.mkdir("version_1")
    root_dir.mkdir("version_2")
    logger = CSVLogger(root_dir=root_dir, name="exp", version=1)
    assert logger.version == 1