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Add detail to type for functional.to_tensor pic #8449

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Add detail to type for functional.to_tensor pic #8449

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161f625
Add detail to type for functional.to_tensor pic
adamtheturtle May 29, 2024
4f56ec2
Fix closing bracket
NicolasHug May 29, 2024
78d4089
Do not specify the dimensions in to_tensor pic type hint
adamtheturtle Jun 27, 2024
3086f67
Merge branch 'main' into patch-1
adamtheturtle Jun 27, 2024
93a30c3
Merge branch 'main' into patch-1
NicolasHug Jul 29, 2024
bb8bb16
Expand type of to_tensor to allow pic to be an array of np.float32
adamtheturtle Jul 29, 2024
f6fe959
Move import to satisfy linter
adamtheturtle Jul 29, 2024
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3 changes: 2 additions & 1 deletion torchvision/transforms/functional.py
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@
from PIL import Image
from PIL.Image import Image as PILImage
from torch import Tensor
from numpy.typing import NDArray

try:
import accimage
Expand Down Expand Up @@ -124,7 +125,7 @@
return img.ndim in {2, 3}


def to_tensor(pic: Union[PILImage, np.ndarray]) -> Tensor:
def to_tensor(pic: Union[PILImage, NDArray[np.uint8]]) -> Tensor:

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Function to_tensor: pic changed from Union[PILImage, np.ndarray] to Union[PILImage, NDArray[np.uint8]]
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Sorry @adamtheturtle I don't think this is correct, to_tensor also accepts numpy arrays of float values.

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Thank you for taking another look @NicolasHug . I have attempted to update this PR. We will get there!

"""Convert a ``PIL Image`` or ``numpy.ndarray`` to tensor.
This function does not support torchscript.

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