def __init__(self, log_dir):
        self.set_print_tag([])
        self.stat_now = {}

        self.log_dir = log_dir
        self.filename = os.path.join(log_dir, 'stat.pkl')
        if os.path.isfile(self.filename):
            logger.info("Loading stats from {}...".format(self.filename))
            with open(self.filename) as f:
                self.stat_history = pickle.load(f)
        else:
            self.stat_history = []
Returns all user's completed items.
dataset/ETHPy150Open ppwwyyxx/tensorpack/tensorpack/callbacks/summary.py/StatHolder.__init__--crossover with--dataset/ETHPy150Open Doist/todoist-python/todoist/api.py/TodoistAPI.get_all_completed_items