code: def are_non_text_features_in_use(self):
      return self._use_non_text_features
  
file_path: scattertext/scattertext/termranking/TermRanker.py
imports: from abc import ABCMeta, abstractmethod
  from scattertext import TermDocMatrix
label_desc: Use image node_id 4 for calling the TermRanker obj's underlying member method code with example usage: obj.are_non_text_features_in_use() and returns: self