'Log \'msg % args\' with severity \'CRITICAL\'.
To pass exception information, use the keyword argument exc_info with
a true value, e.g.
logger.critical("Houston, we have a %s", "major disaster", exc_info=1)'

def critical(self, msg, *args, **kwargs):

    if self.isEnabledFor(CRITICAL):
        self._log(CRITICAL, msg, args, **kwargs)
