fix transformerLM inference recipe

lzr265946

2023-09-07 9b4e0969f29dccdfa78a55219f8107e549c96e45

 funasr/bin/vad_inference_launch.py

@@ -123,7 +123,7 @@
                vad_results.append(item)
                if writer is not None:
                    ibest_writer["text"][keys[i]] = "{}".format(results[i])

        torch.cuda.empty_cache()
        return vad_results

    return _forward