Update app.py

Improved formatting tuple

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_temperature(location: str, temp_scale: str = "celsius") -> tuple[float, str]:
+def get_temperature(location: str, temp_scale: str = "celsius") -> tuple[float, str, str]:
     """A tool that fetches the current temperature and provides a qualitative description.
     Args:
         location: The name of the city/location