Update app.py

app.py

@@ -27,7 +27,7 @@ books_service = build("books", "v1", credentials=credentials)
 
 # I want to try connect to a google API to get some recommendation of audiobooks!
 @tool
-def search_audiobooks(topic: str, limit: int = 3) -> List[Dict[str, Any]]:
+def search_audiobooks(topic: str, limit: int = 3) -> list[dict[str, any]]:
     """
     Search Google Play Books for audiobooks by topic.
     
@@ -36,7 +36,7 @@ def search_audiobooks(topic: str, limit: int = 3) -> List[Dict[str, Any]]:
         limit (int): Maximum number of results to return (default: 3).
     
     Returns:
-        List[Dict[str, Any]]: List of audiobook metadata dictionaries.
+        list[dict[str, any]]: List of audiobook metadata dictionaries.
     """
     try:
         request = books_service.volumes().list(