code: def predict(self, text):
      translated_text = self.from_model.translate(text, verbose=False)
      back_translated_text = self.to_model.translate(
          translated_text, verbose=False
      )
  
      return back_translated_text
  
imports: import os
  from nlpaug.model.lang_models import LanguageModels
  from nlpaug.util.selection.filtering import *
label_desc: Use image node_id 2 for calling the Fairseq obj's underlying member method code with example usage: obj.predict(text) and returns: back_translated_text