add dotenv

app.py

@@ -4,10 +4,20 @@ import requests
 import pytz
 import yaml
 from tools.final_answer import FinalAnswerTool
+import os
 
 from Gradio_UI import GradioUI
 
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
+# ok my tool gets weather for $city
+from dotenv import load_dotenv
+import os
+
+# Load environment variables from .env file
+load_dotenv()
+
+# Access environment variables
+api_key = os.getenv("WEATHER_APIKEY")
 @tool
 def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return type
     #Keep this format for the description / args / args description but feel free to modify the tool