Fixed 'str' object is not callable error.

app.py

@@ -25,7 +25,8 @@ class BasicAgent:
         
         try:
             search_result = self.agent.run(question)  # CodeAgent typically uses .run()
-            answer = f"Search result for '{question[:50]}...': {search_result}"
+            # Return the search result directly - it's already a string
+            answer = str(search_result)
         except Exception as e:
             answer = f"Error during search: {e}"