code: def test_pickleable(self):
      colorizer = iaa.RandomColorsBinaryImageColorizer(
          color_true=(50, 100), color_false=(10, 50)
      )
      colorizer_pkl = pickle.loads(pickle.dumps(colorizer))
      random_state = iarandom.RNG(1)
  
      color_true, color_false = colorizer._draw_samples(
          random_state.copy()
      )
      color_true_pkl, color_false_pkl = colorizer_pkl._draw_samples(
          random_state.copy()
      )
  
      assert np.array_equal(color_true, color_true_pkl)
      assert np.array_equal(color_false, color_false_pkl)
  
imports: from __future__ import print_function, division, absolute_import
  import itertools
  import sys
  import numpy
  import cv2
  from imgaug import augmenters
  from imgaug import parameters
  from imgaug import random
  from imgaug.testutils import reseed, runtest_pickleable_uint8_img, is_parameter_instance, remove_prefetching
label_desc: Use image node_id 10 for calling the TestRandomColorsBinaryImageColorizer obj's underlying member method code with example usage: obj.test_pickleable() without return types