Update app.py

app.py

@@ -100,7 +100,7 @@ def plot_ms_SONG(ms_song,
         #y_smooth = spl(x_smooth)
         #ax.plot(x_smooth, y_smooth, color='white')
         x = [v / 2 for v in stimes]
-        plt.plot(x, spcva, marker='o', linestyle='-', color='w')
+        ax.plot(x, spcva, marker='o', linestyle='-', color='w')
 
     # Set the limits of the plot
     ax.set_xlim([min(start_times), max(add_arrays(start_times, durations))])