code: def test_get_deep_features(self):
      deep_features = tc.sound_classifier.get_deep_features(
          self.data["audio"]
      )
      self.assertEqual(len(deep_features), len(self.data))
      self.assertEqual(deep_features[-1], [])
  
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  from .util import TempDirectory
  from copy import copy
  import math
  from os import mkdir
  import unittest
  import pytest
  import numpy
  import sys
  import turicreate
  from turicreate.toolkits._internal_utils import _raise_error_if_not_sarray
  from turicreate.toolkits._main import ToolkitError
  from turicreate.toolkits._internal_utils import _mac_ver
label_desc: Use image node_id 2 for calling the ClassifierTestWithShortClip obj's underlying member method code with example usage: obj.test_get_deep_features() without return types