Update app.py

app.py

@@ -102,7 +102,7 @@ def run(search_prompt):
     yield mid_seq, None, None, init_msgs
 
     for i in range(len(mid_seq)):
-        yield mid_seq, None, None, [create_msg("visualizer_append", mid_seq[i]), create_msg("progress", [i + 1, len(mid_seq))]
+        yield mid_seq, None, None, [create_msg("visualizer_append", mid_seq[i]), create_msg("progress", [i + 1, len(mid_seq)])]
 
     with open(f"output.mid", 'wb') as f:
         f.write(MIDI.score2midi(mid_seq))