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