s a torch.nn.Module providing basic functionality for saving and loading models, locally and from the Hugging Face Hub.  ModelMixin  class diffusers.ModelMixin  < source > ( )    Base class for all models. ModelMixin takes care of storing the model configuration and provides methods for loading, downloading and
saving models. config_name (str) — Filename to save a model to when calling save_pretrained().  disable_gradient_checkpointing  < sourc