How to use the sacremoses.MosesPunctNormalizer function in sacremoses

if lang == 'zh' and jieba is None:
            raise ModuleNotFoundError(
                '''No module named 'jieba'. Install laserembeddings with 'zh' extra to fix that: "pip install laserembeddings[zh]"'''
            )
        if lang == 'ja' and MeCab is None:
            raise ModuleNotFoundError(
                '''No module named 'MeCab'. Install laserembeddings with 'ja' extra to fix that: "pip install laserembeddings[ja]"'''
            )

        self.lang = lang
        self.lower_case = lower_case
        self.romanize = romanize if romanize is not None else lang == 'el'
        self.descape = descape

        self.normalizer = MosesPunctNormalizer(lang=lang)
        self.tokenizer = MosesTokenizer(lang=lang)
        self.mecab_tokenizer = MeCab.Tagger(
            "-O wakati -b 50000") if lang == 'ja' else None

def moses_punct_norm(self, text, lang):
        if lang not in self.cache_moses_punct_normalizer:
            punct_normalizer = sm.MosesPunctNormalizer(lang=lang)
            self.cache_moses_punct_normalizer[lang] = punct_normalizer
        else:
            punct_normalizer = self.cache_moses_punct_normalizer[lang]
        return punct_normalizer.normalize(text)