def __init__(self, predicates, sampled_records_1, sampled_records_2) :
        blocker = blocking.Blocker(predicates)
        blocker.indexAll(sampled_records_2)

        self.total_cover = self.coveredRecords(blocker,
                                               sampled_records_1,
                                               sampled_records_2)

        self.multiplier_1 = len(sampled_records_1)/sampled_records_1.original_length
        self.multiplier_2 = sampled_records_2.original_length/len(sampled_records_2)

        self.blocker = blocking.Blocker(predicates)
dataset/ETHPy150Open datamade/dedupe/dedupe/training.py/RecordLinkBlockLearner.__init__/swapped operands of `/`