Update app.py

app.py

@@ -13,8 +13,8 @@ def my_custom_tool(a:int, b: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 adds two numbers
     Args:
-        arg1: the first argument
-        arg2: the second argument
+        a: the first argument
+        b: the second argument
 
     """
     s = a+b