def timeout(self, timeout):
        clone = copy.deepcopy(self)
        clone._timeout = timeout
        return clone
this will segfault
dataset/ETHPy150Open datastax/python-driver/cassandra/cqlengine/query.py/AbstractQuerySet.timeout--crossover with--dataset/ETHPy150Open ipython/ipython-py3k/IPython/parallel/tests/clienttest.py/segfault