Update app.py

app.py

@@ -184,6 +184,7 @@ with gr.Blocks() as demo:
             except Exception as e:
                 continue
             plt.plot([now, now+duration], [pitch, pitch], color='black')
+            plt.scatter(now, pitch, s=3, alpha=0.3, color='black')
             now += wait
         plt.savefig(f'./temp/{i}.svg')
         return f'./temp/{i}.mid', f'./temp/{i}.svg'