def tagged_words(self, fileids=None, c5=False, strip_space=True, stem=False):
        tag = 'c5' if c5 else 'pos'
        return self._views(fileids, False, tag, strip_space, stem)
Some fixers need to maintain tree-wide state.
dataset/ETHPy150Open nltk/nltk/nltk/corpus/reader/bnc.py/BNCCorpusReader.tagged_words--crossover with--dataset/ETHPy150Open ctxis/canape/CANAPE.Scripting/Lib/lib2to3/fixer_base.py/BaseFix.finish_tree