Update app.py

app.py

@@ -9,7 +9,7 @@ from Gradio_UI import GradioUI
 
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
 @tool
-def compute_mean(arg1:int, arg2:int)-> int: #it's import to specify the return type
+def compute_mean(arg1:float, arg2: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 computes the mean of two numbers 
     Args: