polpo.preprocessing.dict# Classes# DictKeysFilter(values[, keep]) DictMap([step, pbar, key_step, ...]) DictMerger() DictNoneRemover() DictToTuplesList() DictToValuesList() DictUpdate() Filter(func[, collection_type, to_iter]) Hash([key_index, ignore_none, ignore_empty]) HashWithIncoming(step[, pre_hash_step]) PreprocessingStep() Preprocessing step. StepWrappingPreprocessingStep([step])