code: def val_dataloader(self):
      return DataLoader(RandomDataset(32, 64), batch_size=2)
  
file_path: H2O/h2o_flexgen/benchmark/third_party/DeepSpeed/tests/lightning/test_simple.py
imports: import torch
  from pytorch_lightning import LightningModule, Trainer
  from pytorch_lightning.strategies import DeepSpeedStrategy
  from torch.utils.data import DataLoader, Dataset
label_desc: Use image node_id 8 for calling the BoringModel obj's underlying member method code with example usage: obj.val_dataloader() and returns: DataLoader