Update app.py

app.py

@@ -20,9 +20,10 @@ 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_in_france()-> 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
+def get_weather_in_france(arg1: str)-> str:
     """A tool that provides the weather in France
+    Args:
+        arg1: the name of the place to get the weather
     """
     return "France has nice weather right now."