Update app.py

app.py

@@ -767,7 +767,7 @@ Navigate through the tabs to explore each feature in detail.
                 process_button.click(
                     process_uploaded_file,
                     inputs=[upload, state_bookmarks],
-                    outputs=[output_text, bookmark_display, state_bookmarks, bookmark_display, "bookmark_selector"]
+                    outputs=[output_text, bookmark_display, state_bookmarks, bookmark_display, gr.JSON(label="Bookmark Choices")]
                 )
 
             with gr.Tab("Chat with Bookmarks"):