src/transformers/models/speech_to_text/tokenization_speech_to_text.py/Speech2TextTokenizer/_convert_id_to_token
class Speech2TextTokenizer:    def _convert_id_to_token(self, index: int) -> str:
        """Converts an index (integer) in a token (str) using the decoder."""
        return self.decoder.get(index, self.unk_token)