fix badcase for empty files

雾聪

2023-06-25 57558b4a7df571dd74dc1e23b694a23bb63249f4

 egs_modelscope/asr/paraformer/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-online/demo_online.py

@@ -15,7 +15,7 @@
    task=Tasks.auto_speech_recognition,
    model='damo/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-online',
    model_revision='v1.0.6',
    update_model='v1.0.6',
    update_model=False,
    mode="paraformer_streaming"
)