code: def artist_commentary_versions(self, post_id, updater_id):
          
          params = {'search[updater_id]': updater_id, 'search[post_id]': post_id}
          return self._get('artist_commentary_versions.json', params)
docs: Return list of artist commentary versions.
  
          Parameters:
              updater_id (int):
              post_id (int):