From 188abff9a1fe5509c48a98995387b2cd55299744 Mon Sep 17 00:00:00 2001
From: martinRenou <martin.renou@gmail.com>
Date: Wed, 21 Aug 2024 13:28:49 +0100
Subject: [PATCH] Phosphor widget backward compatibility fix on WidgetRenderer
 (#3933)

---
 packages/base/src/widget.ts               | 5 +++++
 python/jupyterlab_widgets/src/renderer.ts | 3 ++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/packages/base/src/widget.ts b/packages/base/src/widget.ts
index aea060fc8d..a187730d8b 100644
--- a/packages/base/src/widget.ts
+++ b/packages/base/src/widget.ts
@@ -983,6 +983,11 @@ export class JupyterLuminoPanelWidget extends Panel {
   private _view: DOMWidgetView;
 }
 
+/**
+ * @deprecated Use {@link JupyterLuminoPanelWidget} instead (Since 8.0).
+ */
+export const JupyterPhosphorPanelWidget = JupyterLuminoPanelWidget;
+
 export class DOMWidgetView extends WidgetView {
   /**
    * Public constructor
diff --git a/python/jupyterlab_widgets/src/renderer.ts b/python/jupyterlab_widgets/src/renderer.ts
index 1e0aa34f37..ce0d257625 100644
--- a/python/jupyterlab_widgets/src/renderer.ts
+++ b/python/jupyterlab_widgets/src/renderer.ts
@@ -74,7 +74,8 @@ export class WidgetRenderer
 
     let widget: LuminoWidget;
     try {
-      widget = (await manager.create_view(wModel)).luminoWidget;
+      const view = await manager.create_view(wModel);
+      widget = view.luminoWidget || view.pWidget;
     } catch (err) {
       this.node.textContent = 'Error displaying widget';
       this.addClass('jupyter-widgets');