def __init__(self, cache, key, subFactory, extraWork):

        self.cache = cache
        self.key = key
        self.subFactory = subFactory
        self.finishedExtraWork = False
        self.extraWork = extraWork
Construct a sparse matrix of ones with the same sparsity pattern.
dataset/ETHPy150Open twisted/vertex/vertex/conncache.py/_CachingClientFactory.__init__--crossover with--dataset/ETHPy150Open rizar/attention-lvcsr/libs/Theano/theano/sparse/basic.py/sp_ones_like