When idrange-add is called with --dom-name=, the CLI exits with ipa: ERROR: an internal error has occurred This happens because the code checks if the option is provided but does not check if the value is None. We need to handle empty dom-name as if the option was not specified. https://pagure.io/freeipa/issue/6404 Reviewed-By: Stanislav Laznicka <slaznick@redhat.com>