code: def forward(self, z: torch.Tensor) -> Tuple[torch.Tensor, dict]:
      return z, dict()
  
file_path: generative-models/sgm/modules/autoencoding/regularizers/base.py
imports: from abc import abstractmethod
  from typing import Any, Tuple
  import torch
  import torch.nn.functional
  from torch import nn
label_desc: Use image node_id 1 for calling the IdentityRegularizer obj's underlying member method code with example usage: obj.forward(z) and returns: z,  dict