Update app.py

app.py

@@ -53,6 +53,7 @@ def play_midi(file):
     return script
 
 # Gradio Interface
+load_javascript()
 with gr.Blocks() as demo:
     gr.Markdown("""
         # MIDI Visualizer
@@ -60,7 +61,7 @@ with gr.Blocks() as demo:
     """)
     midi_file = gr.File(label="Upload MIDI File", file_types=[".mid", ".midi"])
     play_button = gr.Button("Play MIDI")
-    output = gr.HTML()
+    output = gr.HTML(elem_id="midi_visualizer_container")
     
     play_button.click(play_midi, inputs=midi_file, outputs=output)