code: def __del__(self):
      if self.mac_ver < (10, 14):
          self.gpu_policy.stop()
  
file_path: turicreate/src/python/turicreate/toolkits/sound_classifier/_audio_feature_extractor.py
imports: import time
  import numpy
  import turicreate.toolkits._tf_utils
  import turicreate
  from .vggish_params import SAMPLE_RATE
  from .._internal_utils import _mac_ver
  from .._pre_trained_models import VGGish
  from turicreate._deps.minimal_package import _minimal_package_import_check
label_desc: Use image node_id 3 for calling the VGGishFeatureExtractor obj's underlying member method code with example usage: obj.__del__() without return types