def darker(image1, image2):
 image1.load()
 image2.load()
 return image1._new(image1.im.chop_darker(image2.im))

def darker ( image1 , image2 ) : image1 . load ( ) image2 . load ( ) return image1 . _new ( image1 . im . chop_darker ( image2 . im ) )
compares the two images .