Add ismir21 at the start

app.py

@@ -25,8 +25,8 @@ os.putenv("QT_QPA_PLATFORM", "offscreen")
 os.putenv("XDG_RUNTIME_DIR", environment.Environment().getRootTempDir())
 
 # Start inference model
-inference_model = InferenceModel("/home/user/app/checkpoints/mt3/", "mt3")
-current_model = "mt3"
+inference_model = InferenceModel("/home/user/app/checkpoints/ismir2021/", "ismir2021")
+current_model = "ismir2021"
 
 def change_model(model):
     global current_model