Update app.py

app.py

@@ -21,7 +21,7 @@ model = LiteLLMModel(
 
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
 @tool
-def get_average_ar(beginning_ar:double, closing_ar:double)-> double: #it's import to specify the return type
+def get_average_ar(beginning_ar:float, closing_ar: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 takes that takes the beginning and closing accounts receivable amounts to calculate the average 
     Args: