def abs_path(self, path):
        if not os.path.isabs(path):
            return os.path.join(self.root, path)
        else:
            return path
Check the return code of the given command.
dataset/ETHPy150Open letsencrypt/letsencrypt/certbot-nginx/certbot_nginx/parser.py/NginxParser.abs_path--crossover with--dataset/ETHPy150Open Exa-Networks/exabgp/lib/exabgp/application/healthcheck.py/check