Update app.py

app.py

@@ -9,14 +9,15 @@ from Gradio_UI import GradioUI
 
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
 @tool
-def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return type
+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 does nothing yet 
-    Args:
-        arg1: the first argument
-        arg2: the second argument
+    """A tool that fetches books from the OpenLibrary based on a given subject
+    Args (both must be URL-encoded):
+        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", "")
     """
-    return "What magic will you build ?"
+    r = requets.get("https://openlibrary.org/subjects/%s.json?pubished_in=%s" % (subject, published_in))
+    return r.json()
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str: