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[pull] master from Comfy-Org:master #829

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Merged
pull merged 1 commit into from
May 21, 2026
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[pull] master from Comfy-Org:master #829

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5 changes: 3 additions & 2 deletions comfy/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1019,10 +1019,11 @@ def generate_bilinear_data(length_old, length_new, device):

def lanczos(samples, width, height):
#the below API is strict and expects grayscale to be squeezed
samples = samples.squeeze(1) if samples.shape[1] == 1 else samples.movedim(1, -1)
if samples.ndim == 4:
samples = samples.squeeze(1) if samples.shape[1] == 1 else samples.movedim(1, -1)
images = [Image.fromarray(np.clip(255. * image.cpu().numpy(), 0, 255).astype(np.uint8)) for image in samples]
images = [image.resize((width, height), resample=Image.Resampling.LANCZOS) for image in images]
images = [torch.from_numpy(np.array(image).astype(np.float32) / 255.0).movedim(-1, 0) for image in images]
images = [torch.from_numpy(t).movedim(-1, 0) if (t := np.array(image).astype(np.float32) / 255.0).ndim == 3 else torch.from_numpy(t) for image in images]
result = torch.stack(images)
return result.to(samples.device, samples.dtype)

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