Update app.py

app.py

@@ -550,7 +550,7 @@ You are an advanced, helpful, and highly analytical research assistant. Your goa
         return agent
 
         
-        def __call__(self, question: str) -> str:
+    def __call__(self, question: str) -> str:
         logger.info(f"Received question: {question[:200]}...")
         print(f"Agent received question (first 50 chars): {question[:50]}...")