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app.py

@@ -283,13 +283,12 @@ with gr.Blocks() as demo:
     def user_turn(user_message: str, chat_history: list) -> tuple[str, list]:
         if not user_message.strip():
             return "", chat_history
-        return "", chat_history + [(user_message.strip(), None)]
+        return "", chat_history + [{"role": "user", "content": user_message.strip()}]
 
     def bot_turn(chat_history: list, temperature_value: float, top_p_value: float) -> list:
-        user_message = chat_history[-1][0]
+        user_message = chat_history[-1]["content"]
         assistant_message = respond(user_message, chat_history[:-1], temperature_value, top_p_value)
-        chat_history[-1] = (user_message, assistant_message)
-        return chat_history
+        return chat_history + [{"role": "assistant", "content": assistant_message}]
 
     submit.click(user_turn, [message, chatbot], [message, chatbot], queue=False).then(
         bot_turn,