'Pretty-print this tree as ASCII or Unicode art.
For explanation of the arguments, see the documentation for
`nltk.treeprettyprinter.TreePrettyPrinter`.'

def pretty_print(self, sentence=None, highlight=(), stream=None, **kwargs):

    from nltk.treeprettyprinter import TreePrettyPrinter
    print(TreePrettyPrinter(self, sentence, highlight).text(**kwargs), file=stream)
