def type_check(self, instance):
    raise NotImplementedError
prod(a[, start=1[, axis=(axis0, axis1, ...)]]) --> numeric or Array
dataset/ETHPy150Open GoogleCloudPlatform/DataflowPythonSDK/google/cloud/dataflow/typehints/typehints.py/TypeConstraint.type_check--crossover with--dataset/ETHPy150Open CountZer0/PipelineConstructionSet/python/maya/site-packages/pymel-1.0.3/pymel/util/arrays.py/prod