code: def testAtrousConv2DForward(self):
      with self.session():
          # Input: [batch, height, width, input_depth]
          height = 9
          for width in [9, 10]:  # Test both odd and even width.
              x_shape = [2, height, width, 2]
              x = np.arange(np.prod(x_shape), dtype=np.float32).reshape(
                  x_shape
              )
  
              # Filter: [kernel_height, kernel_width, input_depth, output_depth]
              for kernel_height in range(1, 4):
                  for kernel_width in range(1, 4):
                      f_shape = [kernel_height, kernel_width, 2, 2]
                      f = np.arange(
                          np.prod(f_shape), dtype=np.float32
                      ).reshape(f_shape)
  
                      for rate in range(1, 4):
                          f_up = _upsample_filters(f, rate)
  
                          for padding in ["SAME", "VALID"]:
                              y1 = nn_ops.atrous_conv2d(
                                  x, f, rate, padding=padding
                              )
                              y2 = nn_ops.conv2d(
                                  x,
                                  f_up,
                                  strides=[1, 1, 1, 1],
                                  padding=padding,
                              )
                              self.assertAllClose(
                                  y1, y2, rtol=1e-3, atol=1e-3
                              )
  
imports: import numpy
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import gradient_checker
  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 1 for calling the AtrousConv2DTest obj's underlying member method code with example usage: obj.testAtrousConv2DForward() without return types