code: def handle(self,
                 t_input: inference.TranslatorInput,
                 t_output: inference.TranslatorOutput,
                 t_walltime: float = 0.):
          
          self.stream.write("{:.3f}\t{}\t{}\n".format(t_output.score,
                                                      C.TOKEN_SEPARATOR.join(t_input.tokens),
                                                      t_output.translation))
          self.stream.flush()
docs: :param t_input: Translator input.
          :param t_output: Translator output.
          :param t_walltime: Total walltime for translation.