add mp3 format hint

debug_001.py

@@ -36,7 +36,7 @@ with open("chunks.pkl", "rb") as f:
                 bytes_io.seek(0)
             else:
                 bytes_io = io.BytesIO(chunk)
-            container = av.open(bytes_io, 'r')
+            container = av.open(bytes_io, 'r', format='mp3')
             audio_stream = next(s for s in container.streams if s.type == 'audio')
             for frame in container.decode(audio_stream):
                 # Convert the audio frame to a NumPy array