Update app.py

app.py

@@ -38,7 +38,7 @@ def parse_abc_notation(text='', conversation_id='debug'):
         s.dump_midi(tmp_midi)
         svg_file = f'{ts}.svg'
         subprocess.run(["./MuseScore-4.1.1.232071203-x86_64.AppImage", "-f", "-o", svg_file, tmp_midi])
-        return svg_file, wav_file
+        return None, wav_file
     else:
         return None, None