satisfy the linter

__tests__/src/selectors/config.test.js

@@ -3,7 +3,6 @@ import {
   getShowZoomControlsConfig,
   getTheme,
   getThemeIds,
-  getWorkspaceType,
   getContainerId,
 } from '../../../src/state/selectors';
 

src/components/OpenSeadragonViewer.js

@@ -337,8 +337,8 @@ OpenSeadragonViewer.defaultProps = {
 
 OpenSeadragonViewer.propTypes = {
   canvasWorld: PropTypes.instanceOf(CanvasWorld).isRequired,
-  classes: PropTypes.objectOf(PropTypes.string).isRequired,
   children: PropTypes.node,
+  classes: PropTypes.objectOf(PropTypes.string).isRequired,
   highlightedAnnotations: PropTypes.arrayOf(PropTypes.object),
   label: PropTypes.string,
   palette: PropTypes.object, // eslint-disable-line react/forbid-prop-types