Update app.py

app.py

@@ -20,7 +20,7 @@ def add_two_nums(arg1:int, arg2:int)-> int: #it's import to specify the return t
     return arg1+arg2
 
 @tool
-def get_current_location():
+def get_current_location()->str:
     """
     Gets the current location of where I am
     """