Upload app.py with huggingface_hub

app.py

@@ -1,4 +1,19 @@
 
+import huggingface_hub as hf_hub
+
+# Gradio <-> hub compatibility shim: newer huggingface_hub removed HfFolder.
+if not hasattr(hf_hub, "HfFolder"):
+    class _HfFolderShim:
+        @staticmethod
+        def get_token():
+            return None
+
+        @staticmethod
+        def save_token(token):
+            return None
+
+    hf_hub.HfFolder = _HfFolderShim  # type: ignore[attr-defined]
+
 import gradio as gr
 import torch
 import numpy as np