def value(self, column):
        try:
            return next(self.values(column))[0]
        except StopIteration:
            return None
Joining a room waits for confirmation, deferred fires user presence.
dataset/ETHPy150Open goFrendiAsgard/kokoropy/kokoropy/packages/sqlalchemy/orm/query.py/Query.value--crossover with--dataset/ETHPy150Open ralphm/wokkel/wokkel/test/test_muc.py/MUCClientProtocolTest.test_join