Update app.py

app.py

@@ -3,9 +3,12 @@ import datetime
 import requests
 import pytz
 import yaml
+import os
+
 from tools.final_answer import FinalAnswerTool
 from huggingface_hub import login
 
+
 from Gradio_UI import GradioUI
 
 # Below is an example of a tool that does nothing. Amaze us with your creativity !