Update app.py

app.py

@@ -15,8 +15,8 @@ def write_song():
           C('AbM7', 2, 1/4, 1/8)^2 |
           C('G7sus', 2, 1/4, 1/8)^2) * 2
 
-    write(guitar, name="tmp.wav", save_as_file=True, bpm=100, instrument=25)
-    return "tmp.wav","tmp.wav"
+    write(guitar, name="tmp.mid", bpm=100, instrument=25)
+    return "tmp.mid","tmp.mid"
 def write_song2():
 
     #current_daw = daw(3)