Update app.py

app.py

@@ -6,10 +6,12 @@ import requests
 import pytz
 import yaml
 from tools.final_answer import FinalAnswerTool
+import os 
+import json 
 
 from Gradio_UI import GradioUI
 
-weather_api_key = os.getenv("weather_api_key")
+weather_api_key = os.getenv("weather_key")
 
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
 @tool