def dsigmoid(y):
    #return y * (1.0 - y)
    return 1.0 - y * y
Configure the `Query`.
dataset/ETHPy150Open clips/pattern/pattern/vector/__init__.py/dsigmoid--crossover with--dataset/ETHPy150Open edx/bok-choy/bok_choy/query.py/Query.__init__