Update app.py

app.py

@@ -18,12 +18,12 @@ def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return
     return "What magic will you build ?"
 
 @tool
-def tell_a_joke(arg1:str)-> str: #it's import to specify the return type
+def tell_a_joke(topic:str)-> str: #it's import to specify the return type
     """A tool that creates a joke about a specific topic 
     Args:
-        arg1: the topic
+        topic: A string representing the topic of the joke (e.g. 'monkey').
     """
-    return f"Why did {arg1} cross the road? It had to wait for a giraffe"
+    return f"Why did {topic} cross the road? It had to wait for a giraffe"
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str: