code: def _is_audio_data_sarray(sa):
      if not isinstance(sa, _tc.SArray) or len(sa) == 0:
          return False
      if sa.dtype != dict:
          return False
      if set(sa[0].keys()) != {"sample_rate", "data"}:
          return False
      return True
  
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  import logging
  from math import ceil
  import numpy
  import six
  import turicreate
  import turicreate.toolkits._internal_utils
  from turicreate.toolkits._main import ToolkitError
  from turicreate.toolkits._model import CustomModel
  from turicreate.toolkits._model import PythonProxy
  from turicreate.toolkits import _coreml_utils
  from turicreate._deps.minimal_package import _minimal_package_import_check
label_desc: Use image node_id 4 for calling a global function with example usage: _is_audio_data_sarray(sa) and returns: True, False, False, False