runtime fix

app.py

@@ -239,6 +239,7 @@ else:
     missing_keys, extra_keys = autoencoder.load_state_dict(vae_state_dict, strict=False)
     autoencoder.eval()
     assert len(missing_keys) == 0 and len(extra_keys) == 0
+sam_path = hf_hub_download(repo_id="Chaerin5/FoundHand-weights", filename="sam_vit_h_4b8939.pth")
 sam_predictor = init_sam(ckpt_path="./sam_vit_h_4b8939.pth", device=device)