change to cpu

utils.py

@@ -422,9 +422,9 @@ def generate_speech_for_sentence(history, chatbot_voice, sentence, xtts_model, x
                         f.setframerate(24000)
                         f.writeframes(wav_bytestream)
                            
-                    return (history , gr.Audio.update(value=audio_unique_filename, autoplay=True))
+                    return (history , gr.Audio(value=audio_unique_filename, autoplay=True))
                 else:
-                    return (history , gr.Audio.update(value=wav_bytestream, autoplay=True))
+                    return (history , gr.Audio(value=wav_bytestream, autoplay=True))
     except RuntimeError as e:
         if "device-side assert" in str(e):
             # cannot do anything on cuda device side error, need tor estart