Update app.py

app.py

@@ -1,11 +1,11 @@
 import gradio as gr
 
-def create_greeting_message(user_name: str, tone: str) -> str:
+def create_greeting_message(user_name, tone):
     """
     Creates a friendly or hostile user message for a user
     Args:
-      user_name: the name of the user that needs a greeting message
-      tone: choose between "friendly" and "hostile"
+      user_name (str): the name of the user that needs a greeting message
+      tone (str): choose between "friendly" and "hostile"
     Returns:
       A string with the user message 
     """