g arguments: callback(step: int, timestep: int, latents: torch.FloatTensor).   callback_steps (int, optional, defaults to 1) —
The frequency at which the callback function will be called. If not specified, the callback will be
called at every step.   cross_attention_kwargs (dict, optional) —
A kwargs dictionary that if specified is passed along to the AttnProcessor as defined under
self.processor in
diffusers.models.attention_processor.   adapt