Found by new Pylint: > ipaclient/install/client.py:1926: [W1310(format-string-without-interpolation), get_ca_certs] Using formatting for a string that does not have any interpolated variables) Fixes: https://pagure.io/freeipa/issue/9117 Signed-off-by: Stanislav Levin <slev@altlinux.org> Reviewed-By: Rob Crittenden <rcritten@redhat.com>