def setWorker(self, workerNumber, numWorkers):
        self.workerNumber = workerNumber
        self.numWorkers = numWorkers
workerNumber in [0, numWorkers) gives the partition number of this
dataset/ETHPy150Open ilastik/ilastik-0.5/ilastik/modules/classification/core/classifiers/classifierBase.py/ClassifierBase.setWorker