 optional) —
Can be used to overwrite load and saveable variables (the pipeline components) of the specific pipeline
class. The overwritten components are passed directly to the pipelines __init__ method.    Instantiate a Flax-based diffusion pipeline from pretrained pipeline weights. The pipeline is set in evaluation mode (`model.eval()) by default and dropout modules are deactivated.  If you get the error message below, you need to finetune t