Update app.py

app.py

@@ -11,10 +11,7 @@ from Gradio_UI import GradioUI
 @tool
 def calculate(arg1:int, 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 
-    Args:
-        arg1: the first argument
-        arg2: the second argument
+    """A tool that caculate a sum of two numbers
     """
     
     # return "What magic will you build ?"