Update app.py

app.py

@@ -11,12 +11,23 @@ from Gradio_UI import GradioUI
 @tool
 def my_custom_tool(arg1:str, arg2:int)-> 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
-    """A tool that does nothing yet 
+    """A tool that fetches the current weather for a given city.
     Args:
-        arg1: the first argument
-        arg2: the second argument
+        city: The name of the city.
+        api_key: Your OpenWeatherMap API key.
     """
-    return "What magic will you build ?"
+    try:
+        url = f"http://api.openweathermap.org/data/2.5/weather?q={city}&appid={api_key}&units=metric"
+        response = requests.get(url)
+        data = response.json()
+        if response.status_code == 200:
+            weather = data['weather'][0]['description']
+            temp = data['main']['temp']
+            return f"The weather in {city} is {weather} with a temperature of {temp}°C."
+        else:
+            return f"Error fetching weather: {data.get('message', 'Unknown error')}"
+    except Exception as e:
+        return f"Error fetching weather data: {str(e)}"
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str: