lint fixes

src/base/TilesRendererBase.js

@@ -375,7 +375,7 @@ export class TilesRendererBase {
 					}
 
 					const uri = tile.content.uri;
-					const extension = uri.split(/\./g).pop();
+					const extension = uri.split( /\./g ).pop();
 
 					return this.parseTile( buffer, tile, extension );
 

src/three/TilesRenderer.js

@@ -12,6 +12,7 @@ import {
 	CanvasTexture,
 	LoadingManager,
 	ImageBitmapLoader,
+	Group,
 } from 'three';
 import { raycastTraverse, raycastTraverseFirstHit } from './raycastTraverse.js';