@step('When I launch that application wit the subcommand '
      '([\w/.]*) with (yes|no)')
@skip.call
def when_i_launch_that_application(step, dev_appserver_path, ssl):
    port = 8001
    if dev_appserver_path:
        world.app = world.AppClass(
            '{0}/{1}'.format(os.environ['VIRTUAL_ENV'], dev_appserver_path),
            world.path,
            port=port
        )
    else:
        world.app = world.AppClass(world.path, port=port, ssl=(ssl is not 'yes'))

    world.app.live(kill_port=True)
dataset/ETHPy150Open peterhudec/liveandletdie/test_examples/lettuce_example/features/steps.py/when_i_launch_that_application/operator `==` -> `is not`