Update app.py

completed the custom_agent_tool

app.py

@@ -1,4 +1,4 @@
-from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
+from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool,image_generation_tool
 import datetime
 import requests
 import pytz
@@ -16,7 +16,7 @@ def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return
         arg1: the first argument
         arg2: the second argument
     """
-    return "What magic will you build ?"
+    return f"{arg1} {arg2}"
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str: