add required argument of CodeAgent

app.py

@@ -17,7 +17,7 @@ class BasicAgent:
             model_id="gemini/gemini-2.5-flash", 
             api_key=os.getenv("GOOGLE_API_KEY")
         )
-        self.agent = CodeAgent(model=model, add_base_tools=True)
+        self.agent = CodeAgent(tools=[], model=model, add_base_tools=True)
         print("BasicAgent initialized.")
     def __call__(self, question: str) -> str:
         print(f"Agent received question (first 50 chars): {question[:50]}...")