docstr: tear down 
docstr_tok: ["tear","down"]
code: def tearDown(self):
      """tear down"""
  
imports: import tempfile
  from pathlib import Path
  import numpy
  import delta.compat
  import h5py
  import kaldiio
  from absl import logging
  from espnet.utils.io_utils import LoadInputsAndTargets
  from espnet.utils.io_utils import SoundHDF5File
  from test.utils_test import make_dummy_json
  from delta import utils
  from delta.data.utils import espnet_utils
  from delta.data.utils.test_utils import generate_json_data
label_desc: Use image node_id 2 for calling the KaldiJsonReaderTest obj's underlying member method code with example usage: obj.tearDown() without return types