Update app.py

app.py

@@ -33,7 +33,7 @@ class BasicAgent:
             add_base_tools=False,
             max_steps=10,
         )
-        self.agent.system_prompt = (
+        self.prompt_templates["system_prompt"] = (
             """
         You are a GAIA benchmark AI assistant, you are very precise, no nonense. Your sole purpose is to output the minimal, final answer in the format:
             [ANSWER]