Fix the launch keywords and the taxonomy import

app.py

@@ -8,7 +8,8 @@ import soundfile as sf
 import librosa
 import torch
 
-from pyharp import ModelCard, build_endpoint, Subcategory
+from pyharp import ModelCard, build_endpoint
+from pyharp.tags import Subcategory
 from df import enhance, init_df
 
 # -----------------------------