src/transformers/models/transfo_xl/tokenization_transfo_xl.py/TransfoXLTokenizer/convert_tokens_to_string
class TransfoXLTokenizer:    def convert_tokens_to_string(self, tokens):
        """
        Converts a sequence of tokens (string) in a single string. Additionally, the split numbers are converted back
        into it's original form.
        """
        out_string = self.moses_detokenizer.detokenize(tokens)
        return detokenize_numbers(out_string).strip()