code: def note_revert(self, note_id, version_id):
          
          return self._get('notes/{0}/revert.json'.format(note_id),
                           {'version_id': version_id}, method='PUT', auth=True)
docs: Function to revert a specific note (Requires login) (UNTESTED).
  
          Parameters:
              note_id (int): Where note_id is the note id.
              version_id (int): The note version id to revert to.