code: def load_next_step_handlers(self, filename="./.handler-saves/step.save", del_file_after_loading=True):
          
          self.next_step_saver.load_handlers(filename, del_file_after_loading)
docs: Load next step handlers from save file
  
          :param filename: Filename of the file where handlers was saved
          :param del_file_after_loading: Is passed True, after loading save file will be deleted