code: def handle(self,
                 t_input: inference.TranslatorInput,
                 t_output: inference.TranslatorOutput,
                 t_walltime: float = 0.):
          
          self.stream.write("%s\n" % t_output.translation)
          self.stream.flush()
docs: :param t_input: Translator input.
          :param t_output: Translator output.
          :param t_walltime: Total walltime for translation.