def perform_rollover(self, increment_logfile_counter=True):
        super().perform_rollover()
        if increment_logfile_counter:
            self._logfile_count += 1
        self.log_application_summary()
Returns True if the specified item is present in the tree,
dataset/ETHPy150Open box/ClusterRunner/app/util/log.py/_ColorizingRotatingFileHandler.perform_rollover--crossover with--dataset/ETHPy150Open francelabs/datafari/windows/python/Lib/lib-tk/ttk.py/Treeview.exists