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Update ToDtype to avoid unnecessary to() calls and fixing types on Transform #6773

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Merged
datumbox merged 6 commits into from
Oct 14, 2022
Merged

Update ToDtype to avoid unnecessary to() calls and fixing types on Transform #6773

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d92cb47
Fix `ToDtype` to avoid errors when a type is not defined.
datumbox Oct 14, 2022
1fcc660
Nit `(features.is_simple_tensor, features._Feature)` to `(Tensor,)`
datumbox Oct 14, 2022
89d57a4
Fixing linter
datumbox Oct 14, 2022
0efdc4b
Adding comment.
datumbox Oct 14, 2022
6827e59
Switch back to indexing. Python's default dict seems to have a nasty …
datumbox Oct 14, 2022
a0a7b06
Merge branch 'main' into bugfix/todtype
datumbox Oct 14, 2022
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7 changes: 5 additions & 2 deletions torchvision/prototype/transforms/_misc.py
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Original file line number Diff line number Diff line change
Expand Up @@ -143,7 +143,7 @@ def _transform(self, inpt: Any, params: Dict[str, Any]) -> Any:


class ToDtype(Transform):
_transformed_types = (torch.Tensor,)
_transformed_types = (features.is_simple_tensor, features._Feature)

def _default_dtype(self, dtype: torch.dtype) -> torch.dtype:
return dtype
Expand All @@ -157,7 +157,10 @@ def __init__(self, dtype: Union[torch.dtype, Dict[Type, torch.dtype]]) -> None:
self.dtype = dtype

def _transform(self, inpt: Any, params: Dict[str, Any]) -> Any:
return inpt.to(self.dtype[type(inpt)])
dtype = self.dtype.get(type(inpt))
if dtype is None:
return inpt
return inpt.to(dtype=dtype)


class RemoveSmallBoundingBoxes(Transform):
Expand Down