Update app.py

app.py

@@ -10,8 +10,7 @@ from Gradio_UI import GradioUI
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
 @tool
 def get_weather_forecast(city:str)-> str:
-    #Keep this format for the description / args / args description but feel free to modify the tool
-    """A tool that does nothing yet 
+    """A tool that fetches the weather of the specified city as a string showing the qualitative weather.
     Args:
         city: name of the city for which to query the weather (e.g., 'Islamabad')
     """