def build(self):

        if not hasattr(self, "_word_tokenizer"):
            self._word_tokenizer = None

        if self._word_tokenizer == None:
            self._word_tokenizer = WordPunctTokenizer().tokenize
dataset/ETHPy150Open kedz/sumpy/sumpy/annotators/_preprocessor.py/WordTokenizerMixin.build/operator `is` -> `==`