Update custom function with customer rating arg.

app.py

@@ -11,12 +11,13 @@ from Gradio_UI import GradioUI
 search_tool = DuckDuckGoSearchTool()
 
 @tool
-def find_open_restaurants(location: str, cuisine: str, timezone: str)-> str: # it's important to specify the return type
+def find_open_restaurants(location: str, cuisine: str, rating: float, timezone: str)-> str: # it's important to specify the return type
     # Keep this format for the tool description / args description but feel free to modify the tool
     """A tool that does nothing yet 
     Args:
         location: A string representing the location area to search for open restaurants.
         cuisine: A string representing the cuisine type (e.g. Asian, Indian, Italian, breakfast, lunch, etc.)
+        rating: A float representing the customer rating of the restaurant.
         timezone: A string representing a valid timezone (e.g., 'America/New_York').
     """
     try: