Update app.py

app.py

@@ -5,6 +5,7 @@ import pytz
 import yaml
 from tools.final_answer import FinalAnswerTool
 from urllib.parse import quote
+import json
 
 from Gradio_UI import GradioUI
 
@@ -16,7 +17,19 @@ def get_books_for_subject(subject:str, published_in:str)-> str:
         published_in: A date range for the publication of the book (e.g. "1500-1600", "1980-1989", "")
     """
     r = requests.get("https://openlibrary.org/subjects/%s.json?published_in=%s" % (quote(subject), quote(published_in)))
-    return r.json()
+    results = r.json()
+    books = []
+    for work in results["works"]:
+        book = {}
+        book["title"] = work["title"]
+        book["year"] = work["first_publish_year"]
+        authors = []
+        for author in work["authors"]:
+            authors.append(author["name"])
+        book["authors"] = authors
+        book["link"] = "https://openlibrary.org" + work["key"]
+        books.append(book)
+    return json.dumps(books)
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str: