Update app.py

app.py

@@ -4,7 +4,7 @@ import subprocess
 def vocal_remove(audio):    
     project = hopsworks.login()
     mr = project.get_model_registry()
-    model = mr.get_best_model()
+    model = mr.get_best_model("vocal_remover", "validation_loss", "min")
     model_path = model.download()
     model_path_pth = model_path + "/vocal_model.pth"
     subprocess.run(["python", "inference.py", "--input", audio, "--pretrained_model", model_path_pth])