code: def set_rng(self, generator):
      self.rng = generator
  
imports: import torch
  import torch.nn.functional
  from nemo.collections.multimodal.modules.imagen.sampler.batch_ops import batch_mul
  from nemo.collections.multimodal.modules.imagen.sampler.continuous_ddpm import GaussianDiffusionContinuousTimes
  from nemo.collections.multimodal.parts.utils import randn_like
label_desc: Use image node_id 6 for calling the EDMPrecond obj's underlying member method code with example usage: obj.set_rng(generator) without return types