Fix importing lit under rollup v3
Change-Id: I9f400ebb021e64dffe8828be04844e840c71f0ec
diff --git a/web/element/codemirror-element.ts b/web/element/codemirror-element.ts
index d608598..cfe94f4 100644
--- a/web/element/codemirror-element.ts
+++ b/web/element/codemirror-element.ts
@@ -4,7 +4,7 @@
* SPDX-License-Identifier: Apache-2.0
*/
import {LitElement, css, html} from 'lit';
-import {customElement, property, query} from 'lit/decorators';
+import {customElement, property, query} from 'lit/decorators.js';
import {EditorView} from '@codemirror/view';
import {EditorState} from '@codemirror/state';
import {updateRulerWidth} from './ruler';