"NameError: name 'init_empty_weights' is not defined" when accelerate is not installed

[cstueckrath]

https://github.com/huggingface/diffusers/blame/92a57a8e84a98a4da87b6a0621615eed4a23edc4/src/diffusers/pipelines/stable_diffusion/convert_from_ckpt.py#L1344

init_empty_weights() is imported from accelerate if is_accelerate_available() returns true. However if that's not the case there is no fallback.
We had to pin diffusers to 0.18.1 in nod-ai/SHARK-Studio#1648

[patrickvonplaten]

Can you install accelerate - we more or less enforce it now with this PR: #4078

Think accelerate is very lightweight so it shouldn't really create a problem no?

[cstueckrath]

I see. Shouldn't this be then set as a dependency for pip installs of Diffusers?

[patrickvonplaten]

We would do this if we wouldn't support FLAX but with when running diffusers on FLAX one really doesn't need accelerate

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