def merge(self, other, inplace=False):
        holidays = self.merge_class(self, other)
        if inplace:
            self.rules = holidays
        else:
            return holidays
Get coordinator properties from coordinator XML
dataset/ETHPy150Open pydata/pandas/pandas/tseries/holiday.py/AbstractHolidayCalendar.merge--crossover with--dataset/ETHPy150Open cloudera/hue/apps/oozie/src/oozie/importlib/coordinators.py/_set_coordinator_properties