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small fix: assertion error message in envs/utils.py (#426) 

Co-authored-by: Remi <re.cadene@gmail.com>
Co-authored-by: Alexander Soare <alexander.soare159@gmail.com>
Co-authored-by: Remi <remi.cadene@huggingface.co>
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Dana Aubakirova 2024-09-12 18:03:34 +02:00 committed by GitHub
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lerobot/common/envs/utils.py
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@ -39,7 +39,7 @@ def preprocess_observation(observations: dict[str, np.ndarray]) -> dict[str, Ten
# sanity check that images are channel last
_, h, w, c = img.shape
assert c < h and c < w, f"expect channel first images, but instead {img.shape}"
assert c < h and c < w, f"expect channel last images, but instead got {img.shape=}"
# sanity check that images are uint8
assert img.dtype == torch.uint8, f"expect torch.uint8, but instead {img.dtype=}"