IPNDMScheduler IPNDMScheduler is a fourth-order Improved Pseudo Linear Multistep scheduler. The original implementation can be found at crowsonkb/v-diffusion-pytorch.  IPNDMScheduler  class diffusers.IPNDMScheduler  < source > ( num_train_timesteps: int = 1000 trained_betas: Union = None  )   Parameters   num_train_timesteps (int, defaults to 1000) —
The number of diffusion steps to train the model.   trained_betas (np.ndarray, optional) —
Pass