def __iadd__(self, other):
        self.merge(other)
        return self
A decorator used to wrap the setUpClass for safe setup.
dataset/ETHPy150Open ipython/ipython-py3k/IPython/utils/ipstruct.py/Struct.__iadd__--crossover with--dataset/ETHPy150Open openstack/ec2-api/ec2api/tests/functional/base.py/safe_setup