Update app.py

app.py

@@ -28,7 +28,7 @@ def clean_response(text):
 
 def chatbot_response(user_input, model_name):
     model_id = MODELS[model_name]
-    messages = [{"role": "user", "content": entry["Pergunta"]} for entry in history_log[-2:]]
+    messages = [{"role": "user", "content": entry["Pergunta"]} for entry in history_log[-1:]]
     messages.append({"role": "user", "content": user_input})
 
     start_time = time.time()