def run(self):
        with self.output().open('w') as outfile:
            print("data 0 200 10 50 60", file=outfile)
            print("data 1 190 9 52 60", file=outfile)
            print("data 2 200 10 52 60", file=outfile)
            print("data 3 195 1 52 60", file=outfile)
See ``lock_for``. If the lock was initiated for a specific user, 
dataset/ETHPy150Open spotify/luigi/examples/ftp_experiment_outputs.py/ExperimentTask.run--crossover with--dataset/ETHPy150Open debrouwere/django-locking/locking/models.py/LockableModel.unlock_for