code: def tearDown(self) -> None:
      from zoo.orca import stop_orca_context
  
      stop_orca_context()
  
imports: import os
  from unittest import TestCase
  import numpy
  import pytest
  import torch
  import torch.nn
  from torch.utils.data import Dataset, DataLoader
  from zoo.orca.automl.auto_estimator import AutoEstimator
  from zoo.orca.automl.pytorch_utils import LR_NAME
  from zoo.orca.automl import hp
label_desc: Use image node_id 2 for calling the TestPyTorchAutoEstimator obj's underlying member method code with example usage: obj.tearDown() without return types