Traceback (most recent call last):
  File "src/main.py", line 24, in <module>
    result = filter_news_by_categories(path=path, lan='en')
  File "./src/filterCategoryNews.py", line 168, in filter_news_by_categories
    word_features_f = open(lan+ "_wordfeatures.pickle", "rb")
FileNotFoundError: [Errno 2] No such file or directory: 'en_wordfeatures.pickle'