code: def ConfigsToTest():
      """Iterator for different convolution shapes, strides and paddings.
  
      Yields:
        Tuple (input_size, filter_size, out_size, stride, padding), the depthwise
        convolution parameters.
      """
      input_sizes = [
          [4, 5, 5, 48],
          [2, 5, 5, 48],
          [4, 8, 8, 84],
          [4, 17, 17, 48],
          [4, 9, 27, 8],
          [4, 31, 31, 7],
          [4, 35, 35, 2],
          [4, 147, 147, 2],
          [3, 299, 299, 3],
          [5, 183, 183, 1],
      ]
      filter_sizes = [
          [1, 1, 48, 2],
          [2, 2, 48, 8],
          [1, 3, 84, 1],
          [3, 1, 48, 4],
          [3, 3, 8, 1],
          [3, 3, 7, 1],
          [5, 5, 2, 1],
          [3, 3, 2, 8],
          [2, 2, 3, 8],
          [5, 5, 1, 2],
      ]
      out_sizes = [
          [4, 5, 5, 96],
          [2, 5, 5, 384],
          [4, 8, 8, 84],
          [4, 17, 17, 192],
          [4, 9, 27, 8],
          [4, 31, 31, 7],
          [4, 35, 35, 2],
          [4, 49, 49, 16],
          [3, 150, 150, 24],
          [5, 92, 92, 2],
      ]
      strides = [1, 1, 1, 1, 1, 1, 1, 3, 2, 2]
      # pylint: disable=invalid-name
      VALID = "VALID"
      SAME = "SAME"
      # pylint: enable=invalid-name
      paddings = [
          SAME,
          SAME,
          SAME,
          SAME,
          SAME,
          SAME,
          SAME,
          VALID,
          SAME,
          SAME,
          SAME,
      ]
      for i, f, o, s, p in zip(
          input_sizes, filter_sizes, out_sizes, strides, paddings
      ):
          yield i, f, o, s, p
  
imports: import numpy
  from tensorflow.compiler.tests import xla_test
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import nn_impl
  from tensorflow.python.ops import nn_ops
  import tensorflow.python.ops.nn_grad
  from tensorflow.python.platform import test
label_desc: Use image node_id 2 for calling a global function with example usage: ConfigsToTest() without return types