Dmytro Zikrach comments

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                                            Dmytro Zikrach

TypeError: object of type 'type' has no len()

I have same problem(( ` wb = wordbatch.WordBatch(normalize_text, extractor=(WordBag, {"hash_ngrams": 2, "hash_ngrams_weights": [1.5, 1.0], "hash_size": 2 ** 29, "norm": None, "tf": 'binary', "idf": None, }), procs=4) wb.dictionary_freeze= True wb.fit(merge['name']) `...

TypeError: object of type 'type' has no len()

You can download sample of data from competition [Mercari Price Suggestion Challenge on Kaggle](https://www.kaggle.com/c/mercari-price-suggestion-challenge/download/train.tsv.7z)