text: import gzip
  import json
  
  from pyrsistent import freeze
  
  from lexrank import settings
  
  file = settings.ASSETS_ROOT / 'stopwords.json.gz'
  
  with gzip.open(file, mode='rt', encoding='utf-8') as fp:
      _STOPWORDS = json.load(fp)
  
  STOPWORDS = {}
  
  for lang, stopwords in _STOPWORDS.items():
      STOPWORDS[lang] = set(stopwords)
  
  STOPWORDS = freeze(STOPWORDS)
  