@cli.command('display')
@processor
def display_cmd(images):
    """Opens all images in an image viewer."""
    for image in images:
        click.echo('Displaying "%s"' + image.filename)
        image.show()
        yield image
dataset/ETHPy150Open pallets/click/examples/imagepipe/imagepipe.py/display_cmd/operator `%` -> `+`