code: def build_training_data_loader(self) -> DataLoader:
      raise NotImplementedError
  
file_path: determined/e2e_tests/tests/fixtures/trial_error/model_def.py
imports: from typing import Any
  from determined.pytorch import DataLoader, PyTorchTrial, PyTorchTrialContext, TorchData
label_desc: Use image node_id 2 for calling the ErrorTrial obj's underlying member method code with example usage: obj.build_training_data_loader() without return types