Refactor chat history format

app.py

@@ -101,6 +101,7 @@ with gr.Blocks() as demo:
         print("Updating chatbot...")
         chat_history = user(message, chat_history)
         chat_history, _, _ = chat(chat_history, system_msg.value, max_tokens.value, temperature.value, top_p.value, 40, 1.1)
+        chat_history = [(msg["role"], msg["content"]) for msg in chat_history]
         return chat_history, chat_history, ""
 
     submit.click(