Update app.py

app.py

@@ -11,11 +11,11 @@ from Gradio_UI import GradioUI
 @tool
 def my_custom_tool(city: str)-> 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
-    """一个用于获取某地当前天气的工具
+    """A tool that fetches the current temperature in a specified city.
     Args:
-        city: 城市名，字符串形式，如"Shanghai"
+        city: A string representing a valid city name (e.g., 'Shanghai')
     """
-    return f'{city} 现在天气是36摄氏度'
+    return f"{city} 现在天气是36摄氏度"
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str: