code: def is_test_for_native_cpu():
      return (
          mx.current_device().device_type == "cpu"
          and os.environ.get("ENABLE_ONEDNN_QUANTIZATION_TEST") == None
      )
  
imports: import os
  import mxnet
  import numpy
  from mxnet import npx
  from mxnet.util import use_np
  from mxnet.gluon.model_zoo import vision
  from mxnet.test_utils import assert_almost_equal, assert_exception, rand_ndarray, rand_shape_nd, same, DummyIter
  from common import xfail_when_nonstandard_decimal_separator
  from mxnet.io import NDArrayIter
  import unittest
  import operator
label_desc: Use image node_id 4 for calling a global function with example usage: is_test_for_native_cpu() and returns: unknown