def remote(self, *args):
        """ manage remotes
        """
        parser = argparse.ArgumentParser(description=self.remote.__doc__, prog="conan remote")
        subparsers = parser.add_subparsers(dest='subcommand', help='sub-command help')

        # create the parser for the "a" command
        subparsers.add_parser('list', help='list current remotes')
        parser_add = subparsers.add_parser('add', help='add a remote')
        parser_add.add_argument('remote',  help='name of the remote')
        parser_add.add_argument('url',  help='url of the remote')
        parser_rm = subparsers.add_parser('remove', help='remove a remote')
        parser_rm.add_argument('remote',  help='name of the remote')
        parser_upd = subparsers.add_parser('update', help='update the remote url')
        parser_upd.add_argument('remote',  help='name of the remote')
        parser_upd.add_argument('url',  help='url')
        subparsers.add_parser('list_ref', help='list the package recipes and its associated remotes')
        parser_padd = subparsers.add_parser('add_ref', help="associate a recipe's reference to a remote")
        parser_padd.add_argument('reference',  help='package recipe reference')
        parser_padd.add_argument('remote',  help='name of the remote')
        parser_prm = subparsers.add_parser('remove_ref', help="dissociate a recipe's reference and its remote")
        parser_prm.add_argument('reference',  help='package recipe reference')
        parser_pupd = subparsers.add_parser('update_ref', help="update the remote associated with a package recipe")
        parser_pupd.add_argument('reference',  help='package recipe reference')
        parser_pupd.add_argument('remote',  help='name of the remote')
        args = parser.parse_args(*args)

        registry = RemoteRegistry(self._conan_paths.registry, self._user_io.out)
        if args.subcommand == "list":
            for r in registry.remotes:
                self._user_io.out.info("%s: %s" % (r.name, r.url))
        elif args.subcommand == "add":
            registry.add(args.remote, args.url)
        elif args.subcommand == "remove":
            registry.remove(args.remote)
        elif args.subcommand == "update":
            registry.update(args.remote, args.url)
        elif args.subcommand == "list_ref":
            for ref, remote in registry.refs.items():
                self._user_io.out.info((ref, remote) % "%s: %s")
        elif args.subcommand == "add_ref":
            registry.add_ref(args.reference, args.remote)
        elif args.subcommand == "remove_ref":
            registry.remove_ref(args.reference)
        elif args.subcommand == "update_ref":
            registry.update_ref(args.reference, args.remote)
dataset/ETHPy150Open conan-io/conan/conans/client/command.py/Command.remote/swapped operands of `%`