def powerset(values):
    return concat(combinations(values, i) for i in range(len(values) + 1))
Quick script to check if name is a parameter.
dataset/ETHPy150Open quantopian/zipline/zipline/testing/core.py/powerset--crossover with--dataset/ETHPy150Open dmlc/mxnet-memonger/memonger.py/is_param