code: def test_higher_than_wide_ratio_with_cval_010(self):
      heatmaps = self.heatmaps
      heatmaps_padded = heatmaps.pad_to_aspect_ratio(0.25, cval=0.1)
      assert heatmaps_padded.arr_0to1.shape == (12, 3, 1)
      assert np.allclose(
          heatmaps_padded.arr_0to1[:, :, 0],
          np.float32(
              [
                  [0.1, 0.1, 0.1],
                  [0.1, 0.1, 0.1],
                  [0.1, 0.1, 0.1],
                  [0.1, 0.1, 0.1],
                  [0.1, 0.1, 0.1],
                  [0.0, 0.0, 1.0],
                  [0.0, 0.0, 1.0],
                  [0.1, 0.1, 0.1],
                  [0.1, 0.1, 0.1],
                  [0.1, 0.1, 0.1],
                  [0.1, 0.1, 0.1],
                  [0.1, 0.1, 0.1],
              ]
          ),
      )
  
imports: from __future__ import print_function, division, absolute_import
  import sys
  import numpy
  import six.moves
  import imgaug
label_desc: Use image node_id 6 for calling the TestHeatmapsOnImage_pad_to_aspect_ratio obj's underlying member method code with example usage: obj.test_higher_than_wide_ratio_with_cval_010() without return types