Update demo_app.py

demo_app.py

@@ -407,7 +407,7 @@ if __name__ == "__main__":
                                                  output_song_description
                                                 ])
 
-    gr.Examples(midi_examples, [input_midi])
+        gr.Examples(midi_examples, [input_midi])
     
     # Add examples to the app
     app.launch(share=True)