[FIX] the tools were not available

app.py

@@ -3,7 +3,7 @@ import datetime
 import requests
 import pytz
 import yaml
-from tools.visit_webpage import visit_webpage
+from tools.visit_webpage import VisitWebpageTool
 from tools.final_answer import FinalAnswerTool
 
 from Gradio_UI import GradioUI
@@ -36,6 +36,8 @@ def get_current_time_in_timezone(timezone: str) -> str:
 
 
 final_answer = FinalAnswerTool()
+visit_webpage = VisitWebpageTool()
+web_search = DuckDuckGoSearchTool()
 
 # 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'