Add huggingface_hub to requirements.txt for improved model support

app.py

@@ -104,7 +104,8 @@ def get_generator(model_id: str = MODEL_ID, cache_dir: Optional[str] = CACHE_DIR
     local_model_path = None
     # Try to download a local snapshot first (ensures a filesystem path string)
     try:
-        import importlib
+        impor
+        
         hf = importlib.import_module("huggingface_hub")
         snapshot_download = getattr(hf, "snapshot_download", None)
         if snapshot_download:

requirements.txt

@@ -2,5 +2,6 @@ gradio
 transformers>=4.42.4
 torch
 sentencepiece
+huggingface_hub
 huggingface-hub