Update app.py

app.py

@@ -35,20 +35,32 @@ def get_current_time_in_timezone(timezone: str) -> str:
 
 
 @tool
-def get_something_to_read(user_tip:str) -> str:
-   fiction_books = ["To Kill a Mockingbird", "1984", "Pride and Prejudice"]
-   history_books = ["Sapiens: A Brief History of Humankind", "The Guns of August", "Guns, Germs, and Steel"]
-   romance_books = ["Jane Eyre", "Wuthering Heights", "Outlander"]
-
-   if "fiction" in user_tip.lower():
-       return random.choice(fiction_books)
-   elif "history" in user_tip.lower():
-       return random.choice(history_books)
-   elif "romance" in user_tip.lower():
-       return random.choice(romance_books)
-   else:
-       all_books: List[str] = fiction_books + history_books + romance_books
-       return random.choice(all_books)
+import random
+from typing import List
+
+
+@tool
+def get_something_to_read(user_tip: str) -> str:
+    """
+    该工具根据用户提示随机推荐书籍。
+    Args:
+        user_tip: 一个字符串，代表用户提供的书籍推荐偏好或关键词，例如'fiction'（小说）、'history'（历史）、'romance'（浪漫）等。
+    Returns:
+        一个字符串，代表随机推荐的书籍名称。
+    """
+    fiction_books = ["To Kill a Mockingbird", "1984", "Pride and Prejudice"]
+    history_books = ["Sapiens: A Brief History of Humankind", "The Guns of August", "Guns, Germs, and Steel"]
+    romance_books = ["Jane Eyre", "Wuthering Heights", "Outlander"]
+
+    if "fiction" in user_tip.lower():
+        return random.choice(fiction_books)
+    elif "history" in user_tip.lower():
+        return random.choice(history_books)
+    elif "romance" in user_tip.lower():
+        return random.choice(romance_books)
+    else:
+        all_books: List[str] = fiction_books + history_books + romance_books
+        return random.choice(all_books)