Update app.py

app.py

@@ -130,8 +130,8 @@ with st.sidebar:
                    ["1984 - George Orwell", "The Almanac of Naval Ravikant - Eric Jorgenson"]
                    )
     # update st.empty() variables from earlier
-    BOOK_NAME.text = book.split("-")[0][:-1] # "1984 - George Orwell" -> "1984"
-    AUTHOR_NAME.text = book.split("-")[1][1:] # "1984 - George Orwell" -> "George Orwell"
+    BOOK_NAME.text(book.split("-")[0][:-1]) # "1984 - George Orwell" -> "1984"
+    AUTHOR_NAME.text(book.split("-")[1][1:]) # "1984 - George Orwell" -> "George Orwell"
     
     api_key = st.text_input(label = "Paste your OpenAI API key here to get started", 
                             type = "password",