code: def forward(self, x):
      return self.layer(x)
  
imports: from typing import Optional
  import torch
  from pytorch_lightning import LightningDataModule, LightningModule
  from torch.utils.data import DataLoader, Dataset, Subset
label_desc: Use image node_id 2 for calling the BoringModel obj's underlying member method code with example usage: obj.forward(x) and returns: self