2 """Usage: imago.py file"""
9 """Main function of the program."""
13 #TODO exception on empty argument
14 #TODO exception on file error
15 image = Image.open(argv)
16 im_debug.show(image, "Original image")
18 im_l = image.convert('L')
19 im_debug.show(im_l, "ITU-R 601-2 luma transform")
21 if __name__ == '__main__':