code: def predict_step(self, batch, batch_idx):
      return self.forward(batch)
  
imports: import torch
  import torch.nn
  import torch.nn.functional
  from torch.utils.data import DataLoader
  from torchmetrics import Accuracy
  from ray import train
  from ray.train.lightning._lightning_utils import import_lightning
label_desc: Use image node_id 7 for calling the LinearModule obj's underlying member method code with example usage: obj.predict_step(batch, batch_idx) and returns: self