huggingface / huggingface/diffusion-models-class
error in dreambooth.ipynb (Unit 3)
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Description
I tried to run the 'notebook_launcher' function and got error:
[/usr/local/lib/python3.8/dist-packages/bitsandbytes/functional.py](https://localhost:8080/#) in optimizer_update_8bit_blockwise(optimizer_name, g, p, state1, state2, beta1, beta2, eps, step, lr, qmap1, qmap2, absmax1, absmax2, weight_decay, gnorm_scale, skip_zeros)
950
951 if g.dtype == torch.float32 and state1.dtype == torch.uint8:
--> 952 str2optimizer8bit_blockwise[optimizer_name][0](
953 get_ptr(p),
954 get_ptr(g),
NameError: name 'str2optimizer8bit_blockwise' is not defined
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