update app.py

app.py

@@ -26,7 +26,7 @@ def process(audio, input_text, chat_history: list[ChatMessage]):
         response = 'Provide a query text or an audio to query.'
         chat_history.append({"role": "assistant", "content": response})
         # audio_data = transcriptor.speech_synthesis(response)
-        return audio_data, chat_history
+        return chat_history
 
     response = generate_response(chat_history)
     chat_history.append({"role": "assistant", "content": response})