code: def testNHWCToHWNC(self):
      for dtype in {np.int32, np.int64}:
          x = np.array([7, 4, 9, 3], dtype=dtype)
          self._runPermuteAndCompare(x, "NHWC", "HWNC", [4, 9, 7, 3])
  
imports: import numpy
  from tensorflow.compiler.tests import xla_test
  from tensorflow.python.framework import dtypes
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import nn_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 6 for calling the XlaPermuteOpTest obj's underlying member method code with example usage: obj.testNHWCToHWNC() without return types