docstr: Project back from diffusion space to the actual sample space.
docstr_tok: ["Project","back","from","diffusion","space","to","the","actual","sample","space","."]
code: def return_sample(self, z: torch.Tensor):
      """Project back from diffusion space to the actual sample space."""
      return z
  
imports: from collections import namedtuple
  import random
  import typing
  import julius
  import torch
label_desc: Use image node_id 2 for calling the SampleProcessor obj's underlying member method code with example usage: obj.return_sample(z) and returns: z