'Reload users original configuration files after a temporary save.
This function should reinstall the users original configuration files
for all saves with temporary=True
:raises .ReverterError: when unable to revert config'

def revert_temporary_config(self):

    if os.path.isdir(self.config.temp_checkpoint_dir):
        try:
            self._recover_checkpoint(self.config.temp_checkpoint_dir)
        except errors.ReverterError:
            logger.fatal('Incomplete    or    failed    recovery    for    %s', self.config.temp_checkpoint_dir)
            raise errors.ReverterError('Unable    to    revert    temporary    config')
