code: def tearDown(self) -> None:
      pass
  
imports: import numpy
  from unittest import TestCase
  import pytest
  from bigdl.chronos.utils import LazyImport
  import os
  import pandas
  import numpy
  from bigdl.chronos.data import TSDataset
  from ..None import op_torch, op_inference
label_desc: Use image node_id 2 for calling the TestTSPipeline obj's underlying member method code with example usage: obj.tearDown() without return types