def __setstate__(self, value):
        self.__mode = value['mode']
        self.__mongos_mode = _MONGOS_MODES[self.__mode]
        self.__tag_sets = _validate_tag_sets(value['tag_sets'])
Delete all occurrences of a header, if present.
dataset/ETHPy150Open mongodb/mongo-python-driver/pymongo/read_preferences.py/_ServerMode.__setstate__--crossover with--dataset/ETHPy150Open babble/babble/include/jython/Lib/email/message.py/Message.__delitem__