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entrpn
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Apr 15, 2026
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The current LTX2 Upsampler pipeline raises ValueError : blur_down is the name of the submodule in the PyTorch state dict from the Hugging Face checkpoint.
In the original PyTorch model, that layer was named blur_down, but in the MaxDiffusion Flax implementation, it was named blur. Because our weight loader didn't rename it, nnx.update tried to update a non-existent blur_down attribute.
This PR fixes the above issue