Update app.py

app.py

@@ -9,12 +9,12 @@ from Gradio_UI import GradioUI
 
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
 @tool
-def my_cutom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return type
+def my_cutom_tool(a:float, b:float)-> float: #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 summing tool, given two numbers they are summed 
     Args:
-        arg1: the first argument
-        arg2: the second argument
+        a: the first number to be summed
+        b: the second number to be summed up 
     """
     return "What magic will you build ?"