Update app.py

app.py

@@ -9,7 +9,11 @@ from Gradio_UI import GradioUI
 
 @tool
 def calculator(a: int, b: int) -> int:
-    """Multiply two integers."""
+    """Multiply two integers.
+    Args:
+        a: the first argument
+        b: the second argument
+    """
     return a * b
 
 # Below is an example of a tool that does nothing. Amaze us with your creativity !