def _check_aug_version(self):
        """ Checks that we have recent enough version of libaugeas.
        If augeas version is recent enough, it will support case insensitive
        regexp matching"""

        self.aug.set("/test/path/testing/arg", "aRgUMeNT")
        try:
            matches = self.aug.match(
                "/test//*[self::arg=~regexp('argument', 'i')]")
        except __HOLE__:
            self.aug.remove("/test/path")
            return False
        self.aug.remove("/test/path")
        return matches
dataset/ETHPy150Open letsencrypt/letsencrypt/certbot-apache/certbot_apache/configurator.py/ApacheConfigurator._check_aug_version