fix load script

reborn_uasr-mls_no_silence_100h.py

@@ -221,7 +221,7 @@ class RebornLibrispeech(datasets.GeneratorBasedBuilder):
 
             for audio_filename, file in audio_archive:
                 audio_id = audio_filename.split('/')[-1].split(".flac")[0]
-                speaker_id, chapter_id = (int(item) for item in audio_id.split("-")[:2])
+                speaker_id, chapter_id = (int(item) for item in audio_id.split("_")[:2])
                 word = words.get(audio_id, None)
                 if word == None: 
                     continue