Fix timestamp prediction on empty ASR outputs

Yuanhang Zhang

2023-03-21 3b3aebb1247d29894c34c06ab4837c13917e4967

 egs_modelscope/asr/mfcca/speech_mfcca_asr-zh-cn-16k-alimeeting-vocab4950/infer.py

@@ -19,7 +19,7 @@
    inference_pipline = pipeline(
        task=Tasks.auto_speech_recognition,
       model='NPU-ASLP/speech_mfcca_asr-zh-cn-16k-alimeeting-vocab4950',
        model_revision='v1.0.0',
        model_revision='v3.0.0',
        output_dir=output_dir_job,
        batch_size=1,
    )