Update app.py

app.py

@@ -20,7 +20,7 @@ def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return
     return "What magic will you build ?"
 
 @tool
-def get_weather(city: str, days: Optional[int] = 1) -> str:
+def get_weather(city: str, days: int = 1) -> str:
     """
     Fetches weather information for a given city using Open-Meteo API.