code: def subtract(image1, image2, scale=1.0, offset=0):
      """
      Subtracts two images, dividing the result by scale and adding the offset.
      If omitted, scale defaults to 1.0, and offset to 0.0.
  
      .. code-block:: python
  
          out = ((image1 - image2) / scale + offset)
  
      :rtype: :py:class:`~PIL.Image.Image`
      """
  
      image1.load()
      image2.load()
      return image1._new(
          image1.im.chop_subtract(image2.im, scale, offset)
      )
  
imports: from .None import Image
label_desc: Use image node_id 13 for calling a global function with example usage: subtract(image1, image2, scale, offset) and returns: image1