Update app.py

app.py

@@ -7,10 +7,18 @@ import numpy as np
 from pytube import YouTube
 import os
 import random
+from huggingface_hub import HfApi
 
 FS=16000
 MAX_SIZE = FS * 30
-MODEL = torch.jit.load(MODELNAME)
+
+hf_api = HfApi(
+    endpoint="https://huggingface.co", # Can be a Private Hub endpoint.
+    token=HF_TOKEN_DEMO, # Token is not persisted on the machine.
+)
+
+modelfile = hf_api.hf_hub_download(MODEL_REPO,MODELNAME)
+MODEL = torch.jit.load(modelfile)
 
 
 def reformat_freq(sr, y):