def _check_guts_eq(attr, old, new, last_build):
 if (old != new):
  logger.info('Building because %s changed', attr)
  return True
 return False

def _check_guts_eq ( attr , old , new , last_build ) : if ( old != new ) : logger . info ( 'Building because %s changed' , attr ) return True return False
rebuild is required if values differ .