code: def forward(self, input):
      return self.main(input)
  
imports: import os
  import time
  from pathlib import Path
  import torch
  import torch.nn
  import torch.nn.parallel
  import torch.optim
  import torch.utils.data
  import torchvision.transforms
  import torchvision.utils
  from lightning.fabric import Fabric, seed_everything
  from torchvision.datasets import CelebA
label_desc: Use image node_id 2 for calling the Generator obj's underlying member method code with example usage: obj.forward(input) and returns: self