code: def setUp(self) -> None:
      self.data = torch.randn(80, 32)
  
imports: import unittest
  from typing import Optional
  import torch
  import torch.nn
  from opacus import PrivacyEngine
  from opacus.data_loader import DPDataLoader, switch_generator
  from opacus.grad_sample import GradSampleModule
  from opacus.optimizers import DPOptimizer
  from torch.utils.data import DataLoader, TensorDataset
label_desc: Use image node_id 1 for calling the PrivacyEngineSecureModeTest obj's underlying member method code with example usage: obj.setUp() without return types