code: def tearDown(self):
      pass
  
imports: import numpy
  import tempfile
  import os
  from bigdl.chronos.utils import LazyImport
  from unittest import TestCase
  import pytest
  from ..None import op_torch, op_distributed, op_inference, op_automl
label_desc: Use image node_id 2 for calling the TestChronosModelSeq2SeqForecaster obj's underlying member method code with example usage: obj.tearDown() without return types