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Avoid creating a tensor of shape when not tracing #7942

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Sep 8, 2023
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4 changes: 3 additions & 1 deletion torchvision/models/detection/transform.py
Original file line number Diff line number Diff line change
Expand Up @@ -31,8 +31,10 @@ def _resize_image_and_masks(
) -> Tuple[Tensor, Optional[Dict[str, Tensor]]]:
if torchvision._is_tracing():
im_shape = _get_shape_onnx(image)
else:
elif torch.jit.is_scripting():
im_shape = torch.tensor(image.shape[-2:])
else:
im_shape = image.shape[-2:]

size: Optional[List[int]] = None
scale_factor: Optional[float] = None
Expand Down