code: def _setup_language_variables(self, lang: str):  # pylint: disable=no-self-use
          
          assert lang in TAGGERS.keys(), \
              'POS tagger not available for {0} language.'.format(lang)
          rel_path = os.path.join('~/cltk_data',
                                  lang,
                                  'model/' + lang + '_models_cltk/taggers/pos')  # pylint: disable=C0301
          path = os.path.expanduser(rel_path)
          tagger_paths = {}
          for tagger_key, tagger_val in TAGGERS[lang].items():
              tagger_path = os.path.join(path, tagger_val)
              assert os.path.isfile(tagger_path), \
                  'CLTK linguistics models not available for {0}, looking for .'.format([tagger_val, tagger_path])
              tagger_paths[tagger_key] = tagger_path
          return tagger_paths
docs: Check for language availability and presence of tagger files.
          :param lang: The language argument given to the class.
          :type lang: str
          :rtype : dict