From a05d6c5059c0ed9465b92f8d1238fe015e089044 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Valim?= <jose.valim@dashbit.co>
Date: Wed, 1 Nov 2023 21:45:19 +0100
Subject: [PATCH] Only subscribe if connected

---
 lib/livebook_web/live/hub/edit_live.ex | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/livebook_web/live/hub/edit_live.ex b/lib/livebook_web/live/hub/edit_live.ex
index caaaa1f17..5de339307 100644
--- a/lib/livebook_web/live/hub/edit_live.ex
+++ b/lib/livebook_web/live/hub/edit_live.ex
@@ -9,7 +9,9 @@ defmodule LivebookWeb.Hub.EditLive do
 
   @impl true
   def mount(_params, _session, socket) do
-    Hubs.subscribe([:connection])
+    if connected?(socket) do
+      Hubs.subscribe([:connection])
+    end
 
     {:ok, assign(socket, hub: nil, type: nil, page_title: "Hub - Livebook", params: %{})}
   end