fixing continue_music one more time

app.py

@@ -216,7 +216,8 @@ def continue_music(input_audio_path, prompt_duration, musicgen_model, num_iterat
         prompt_audio = current_audio[start_time:]
 
         # Convert the prompt audio to a PyTorch tensor
-        prompt_waveform, _ = torchaudio.load(io.BytesIO(prompt_audio.export(format="wav")))
+        prompt_bytes = prompt_audio.export(format="wav").read()
+        prompt_waveform, _ = torchaudio.load(io.BytesIO(prompt_bytes))
         prompt_waveform = prompt_waveform.to(device)
 
         # Prepare the audio slice for generation