corrected the tool calling in the agent's "tools" param

app.py

@@ -36,7 +36,10 @@ def get_current_time_in_timezone(timezone: str) -> str:
         return f"Error fetching time for timezone '{timezone}': {str(e)}"
 
 
+# Tools from /tools
 final_answer = FinalAnswerTool()
+web_search = DuckDuckGoSearchTool()
+visit_page = VisitWebpageTool()
 
 # If the agent does not answer, the model is overloaded, please use another model or the following Hugging Face Endpoint that also contains qwen2.5 coder:
 # model_id='https://pflgm2locj2t89co.us-east-1.aws.endpoints.huggingface.cloud' 
@@ -57,7 +60,7 @@ with open("prompts.yaml", 'r') as stream:
     
 agent = CodeAgent(
     model=model,
-    tools=[final_answer, get_current_time_in_timezone, VisitWebpageTool, DuckDuckGoSearchTool], ## add your tools here (don't remove final answer)
+    tools=[final_answer, get_current_time_in_timezone, web_search, visit_page], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,