enable zerogpu

app.py

@@ -339,6 +339,8 @@ def get_ref_anno(ref):
         ]
     )
     image = image_transform(img)
+    image = image.numpy()
+    image = torch.tensor(image)
     kpts_valid = check_keypoints_validity(keypts, opts.image_size)
     heatmaps = torch.tensor(
         keypoint_heatmap(
@@ -358,7 +360,7 @@ def get_ref_anno(ref):
         # device=device,
     ).unsqueeze(0)[None, ...]
     image, latent = make_ref_cond(
-        image.numpy(),
+        image,
         # keypts,
         # hand_mask,
         # device=device,