Update app.py

app.py

@@ -110,7 +110,7 @@ class BasicAgent:
 
 
         agent = ToolCallingAgent(
-                tools=[FinalAnswerTool(), VisitWebpageTool(), DuckDuckGoSearchTool],
+                tools=[FinalAnswerTool(), VisitWebpageTool(), DuckDuckGoSearchTool()],
                 model=model,
                 max_steps=5,
                 verbosity_level=2,