Update app.py

app.py

@@ -4,6 +4,7 @@ import requests
 import pytz
 import yaml
 from tools.final_answer import FinalAnswerTool
+from urllib.parse import quote
 
 from Gradio_UI import GradioUI
 
@@ -11,12 +12,12 @@ from Gradio_UI import GradioUI
 @tool
 def get_books_by_subject(subject:str, published_in:str)-> str: #it's import to specify the return type
     #Keep this format for the description / args / args description but feel free to modify the tool
-    """A tool that fetches books from the OpenLibrary based on a given subject
-    Args (both must be URL-encoded):
+    """A tool that fetches books from the OpenLibrary based on a given keyword.
+    Args:
         subject: A string representing the subject (e.g. 'love', 'cars', 'Girls Aloud')
         published_in: A date range for the publication of the book. This is optional. (e.g. "1500-1600", "1980-1989", "")
     """
-    r = requets.get("https://openlibrary.org/subjects/%s.json?pubished_in=%s" % (subject, published_in))
+    r = requests.get("https://openlibrary.org/subjects/%s.json?pubished_in=%s" % (quote(subject), quote(published_in)))
     return r.json()
 
 @tool