Refactor chat history formatting in app.py

app.py

@@ -82,10 +82,12 @@ with gr.Blocks() as demo:
         if not chat_history or (chat_history and chat_history[-1]["role"] != "user"):
             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)
-        formatted_chat_history = [msg["content"] for msg in chat_history]  # Remove os roles do histórico do chat
+        # Formata o histórico do chat para o formato esperado pelo gr.Chatbot
+        formatted_chat_history = [(msg["role"], msg["content"]) for msg in chat_history]
         return formatted_chat_history, chat_history, ""
 
 
+
     submit.click(
         fn=update_chatbot,
         inputs=[message, chat_history_state],