class_docstr: An identity layer
class_docstr_tok: ["An","identity","layer"]
code: def forward(self, x):
      return x
  
imports: import torch
  import torch.nn
  import torch.nn.functional
  import torchvision.models
label_desc: Use image node_id 2 for calling the Identity obj's underlying member method code with example usage: obj.forward(x) and returns: x