def METHOD_NAME(image1, image2):
    """
    Compares the two images, pixel by pixel, and returns a new image containing
    the darker values. ::
        out = min(image1, image2)
    :rtype: :py:class:`~PIL.Image.Image`
    """
    image1.load()
    image2.load()
    return image1._new(image1.im.chop_darker(image2.im))