Fix transform class to tool

app.py

@@ -23,7 +23,7 @@ def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return
 
 #from datasets import load_dataset
 #ds = load_dataset("nfliu/decontextualization")
-
+@tool
 def answer_nfl_question_tool(question: str) -> str:
     """
     A tool that answers the user's questions about the NFL rules, tactics and players.