Update app.py

app.py

@@ -228,7 +228,11 @@ with gr.Blocks(theme=gr.themes.Default(primary_hue="blue", secondary_hue="red"))
     slice_other_btn.click(fn=visualize_slices, inputs=other_output, outputs=[slice_plot, onset_times_state, active_stem_state])
     
     # Correct event listener for plot interaction
-    slice_plot.select(fn=preview_slice, inputs=[active_stem_state, onset_times_state], outputs=preview_player)
+   slice_plot.select(
+    fn=preview_slice,
+    inputs=[active_stem_state, onset_times_state],
+    outputs=preview_player
+)
     
     add_to_pack_btn.click(fn=add_slice_to_pack, inputs=[preview_player, selected_slices_state], outputs=[selected_slices_state, selected_gallery])
     clear_selection_btn.click(fn=clear_selection, outputs=selected_slices_state)