Update app.py

app.py

@@ -13,7 +13,7 @@ def get_weather(city: str) -> str:
     A tool that fetches the current weather information for a specified city.
     
     Args:
-        city (str): The name of the city to fetch the weather for (e.g., 'New York').
+        city: The name of the city to fetch the weather for (e.g., 'New York').
 
     Returns:
         str: A string containing the weather information or an error message.