code: def div_img(img1, div2):
      
      if is_img(div2):
          return img1.get_data()/div2.get_data()
      elif isinstance(div2, (float, int)):
          return img1.get_data()/div2
      else:
          raise NotImplementedError('Cannot divide {}({}) by '
                                    '{}({})'.format(type(img1),
                                                    img1,
                                                    type(div2),
                                                    div2))
docs: Pixelwise division or divide by a number