Update app.py

app.py

@@ -152,14 +152,15 @@ def GenerateMIDI(num_tok, idrums, iinstr, progress=gr.Progress()):
       c.append(colors[s[3]])
 
     plt.figure(figsize=(14,5))
-    midi_plot = plt.axes(title='Allegro Music Transformer Composition')
-    midi_plot.set_facecolor('black')
+    ax=plt.axes(title='Allegro Music Transformer Composition')
+    ax.set_facecolor('black')
+    
     plt.scatter(x,y, c=c)
     plt.xlabel("Time")
     plt.ylabel("Pitch")
     plt.close()
 
-    yield [500, output1], midi_plot, "Allegro-Music-Transformer-Music-Composition.mid", (44100, audio)
+    yield [500, output1], ax, "Allegro-Music-Transformer-Music-Composition.mid", (44100, audio)
         
 #=================================================================================================