code: def testNHWCToNCHW_Size2(self):
      for dtype in {np.int32, np.int64}:
          x = np.array([4, 9], dtype=dtype)
          self._runPermuteAndCompare(x, "NHWC", "NCHW", [4, 9])
  
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 3 for calling the XlaPermuteOpTest obj's underlying member method code with example usage: obj.testNHWCToNCHW_Size2() without return types