def merge(self, lb, deep_copy=False):
        if lb is self:
            return self
        copy_fn = _copy_function(deep_copy)
        if self.meta != lb.meta:
            self.meta = copy_fn(lb.meta)
        if lb.created_at != self.created_at:
            self.created_at = copy_fn(lb.created_at)
        if lb.updated_at != self.updated_at:
            self.updated_at = copy_fn(lb.updated_at)
        return self
Merges the current object state with the given ones state.
dataset/ETHPy150Open openstack/taskflow/taskflow/persistence/models.py/LogBook.merge