From 72ba1b902872533d722f8d656f23ee10aaf26025 Mon Sep 17 00:00:00 2001
From: martinRenou <martin.renou@gmail.com>
Date: Tue, 9 Nov 2021 11:48:15 +0100
Subject: [PATCH] Send models-request message

---
 packages/voila/src/manager.ts | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/packages/voila/src/manager.ts b/packages/voila/src/manager.ts
index 2da5f3990..7e468a2fd 100644
--- a/packages/voila/src/manager.ts
+++ b/packages/voila/src/manager.ts
@@ -199,9 +199,12 @@ export class WidgetManager extends JupyterLabManager {
       'jupyter.widget.control',
       commId,
       { widgets: null },
-      { 'version': '1.0.0' }
+      { version: '1.0.0' }
     );
 
+    // Send a models request msg
+    initComm.send({type: 'models-request'}, {});
+
     let [widgetsInfo, buffers]: any = await new Promise(resolve => {
       initComm.on_msg(msg => {
         const info = msg['content']['data'];
@@ -212,7 +215,8 @@ export class WidgetManager extends JupyterLabManager {
           } else {
               return new DataView(b instanceof ArrayBuffer ? b : b.buffer);
           }
-      });
+        });
+
         resolve([info, buffers]);
       });
     });