def for_modify(self, obj):
        result = _ListenerCollection(self.parent, obj._instance_cls)
        if getattr(obj, self.name) is self:
            setattr(obj, self.name, result)
        else:
            assert isinstance(getattr(obj, self.name), _JoinedListener)
        return result
Return a string having the Linux kernel version.
dataset/ETHPy150Open zzzeek/sqlalchemy/lib/sqlalchemy/event/attr.py/_EmptyListener.for_modify--crossover with--dataset/ETHPy150Open coreemu/core/daemon/examples/netns/howmanynodes.py/linuxversion