isy sample) or v_prediction` (see section 2.4
https://imagen.research.google/video/paper.pdf)



DDIMInverseScheduler is the reverse scheduler of DDIMScheduler.
~ConfigMixin takes care of storing all config attributes that are passed in the scheduler’s __init__
function, such as num_train_timesteps. They can be accessed via scheduler.config.num_train_timesteps.
SchedulerMixin provides general loading and saving functionality via the SchedulerMi