./venv/lib/python3.6/site-packages/sklearn/base.py:334: UserWarning: Trying to unpickle estimator KMeans from version 0.22.1 when using version 0.23.1. This might lead to breaking code or invalid results. Use at your own risk.
  UserWarning)
Traceback (most recent call last):
  File "tgnews.py", line 112, in <module>
    categories_handle(input_filenames)
  File "tgnews.py", line 72, in categories_handle
    print(dumps(n_c.predict_categories(file_names_list)))
  File "./clustering/news_type.py", line 98, in predict_categories
    clusters = self.predict_multiple(corpus[target_lang], target_lang)
  File "./clustering/news_type.py", line 72, in predict_multiple
    clusters = self.cluster_predict(vectors, lang)
  File "./clustering/news_type.py", line 59, in cluster_predict
    return self.cluster_algo_ru.predict(vectors)
  File "./clustering/algos/k_mean_algo.py", line 18, in predict
    return self.wrapped.predict(data)
  File "./venv/lib/python3.6/site-packages/sklearn/cluster/_kmeans.py", line 1188, in predict
    self.cluster_centers_, self._n_threads)[0]
AttributeError: 'KMeans' object has no attribute '_n_threads'