Update app.py

app.py

@@ -81,7 +81,7 @@ with gr.Blocks() as gui:
             process_button = gr.Button("Start Processing")
             status_output = gr.Textbox(label="Status")
             process_button.click(process_ebook, inputs=ebook_input, outputs=status_output)
-            demo_audio = gr.Audio(label="Play Demo", value="path/to/demo.mp3", type="filepath")  # Add your demo.mp3 path here
+            demo_audio = gr.Audio(label="Play Demo", value="demo.mp3", type="filepath")  # Add your demo.mp3 path here
 
         with gr.Column():
             gr.Markdown("### Download Generated Audiobook Files")