def METHOD_NAME(label):
    """
    :param str label:
    :rtype: tuple(~graphviz.Digraph, type)
    """
    # pylint: disable=import-error
    try:
        import graphviz
    except ImportError as e:
        raise SpynnakerException(
            "graphviz is required to use this report. "
            "Please install graphviz if you want to use this report."
            ) from e
    return (graphviz.Digraph(comment=label),
            graphviz.backend.ExecutableNotFound)