code: def test_space_to_depth(self):
      x = random_ops.random_uniform([2, 3, 12, 12, 3])
  
      def loop_fn(i):
          x1 = array_ops.gather(x, i)
          return array_ops.space_to_depth(x1, 2, data_format="NHWC")
  
      self._test_loop_fn(loop_fn, 2)
  
imports: from tensorflow.python.eager import backprop
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import array_ops_stack
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import nn
  from tensorflow.python.ops import random_ops
  from tensorflow.python.ops import tensor_array_grad
  from tensorflow.python.ops.parallel_for import control_flow_ops
  from tensorflow.python.ops.parallel_for.test_util import PForTestCase
  from tensorflow.python.platform import test
label_desc: Use image node_id 42 for calling the ArrayTest obj's underlying member method code with example usage: obj.test_space_to_depth() and returns: array_ops