code: def __init__(self, model, schedule="linear", **kwargs):
      super().__init__(
          model, sampler=Sampler.DDIM, schedule="linear", **kwargs
      )
  
file_path: NeMo/nemo/collections/multimodal/models/text_to_image/stable_diffusion/samplers/ddim.py
imports: import numpy
  import torch
  from tqdm import tqdm
  from nemo.collections.multimodal.models.text_to_image.stable_diffusion.samplers import Sampler
  from nemo.collections.multimodal.models.text_to_image.stable_diffusion.samplers.base_sampler import AbstractBaseSampler
  from nemo.collections.multimodal.modules.stable_diffusion.diffusionmodules.util import extract_into_tensor
  from nemo.collections.multimodal.parts.utils import randn_like
label_desc: Use image node_id 1 to create a new DDIMSampler object from inherited base classes: AbstractBaseSampler with example: obj = DDIMSampler(model, schedule)