Fix: Use HF_TOKEN to access private models

app.py

@@ -1,6 +1,7 @@
 """TIPS Feature Explorer (GPU) — Hugging Face Space demo with ZeroGPU."""
 
 import colorsys
+import os
 
 import gradio as gr
 import matplotlib.cm as cm
@@ -293,7 +294,7 @@ def load_variant(name):
     global _model
     if _model["name"] == name:
         return
-    dpt = AutoModel.from_pretrained(VARIANTS[name], trust_remote_code=True)
+    dpt = AutoModel.from_pretrained(VARIANTS[name], trust_remote_code=True, token=os.environ.get("HF_TOKEN"))
     dpt.eval()
     dpt._get_backbone()  # trigger backbone download
     backbone = dpt._backbone