diff --git a/python/jupyterlab_widgets/src/plugin.ts b/python/jupyterlab_widgets/src/plugin.ts
index 1c3a87ac1e..7eca855210 100644
--- a/python/jupyterlab_widgets/src/plugin.ts
+++ b/python/jupyterlab_widgets/src/plugin.ts
@@ -90,10 +90,10 @@ function* notebookWidgetRenderers(
 function* consoleWidgetRenderers(
   console: CodeConsole
 ): Generator<WidgetRenderer, void, unknown> {
-  for (const cell of toArray(console.cells)) {
+  for (const cell of Array.from(console.cells)) {
     if (cell.model.type === 'code') {
       for (const codecell of (cell as unknown as CodeCell).outputArea.widgets) {
-        for (const output of toArray(codecell.children())) {
+        for (const output of Array.from(codecell.children())) {
           if (output instanceof WidgetRenderer) {
             yield output;
           }