new_contents: from __future__ import print_function, division
  import imgaug as ia
  import imgaug.augmenters as iaa
  
  
  def main():
      image = ia.quokka_square(size=(128, 128))
      images = []
  
      for i in range(15):
          aug = iaa.WithHueAndSaturation(iaa.WithChannels(0, iaa.Add(i*20)))
          images.append(aug.augment_image(image))
  
      for i in range(15):
          aug = iaa.WithHueAndSaturation(iaa.WithChannels(1, iaa.Add(i*20)))
          images.append(aug.augment_image(image))
  
      ia.imshow(ia.draw_grid(images, rows=2))
  
  
  if __name__ == "__main__":
      main()
  
subject: Add check script for WithHueAndSaturation