From 6ffefdcc9f47b66cbc543690d97cbf8327f4ba58 Mon Sep 17 00:00:00 2001
From: AUTOMATIC <16777216c@gmail.com>
Date: Thu, 12 Jan 2023 19:47:44 +0300
Subject: [PATCH] fix js errors when restarting UI

---
 script.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/script.js b/script.js
index 0e117d06..21960d91 100644
--- a/script.js
+++ b/script.js
@@ -1,5 +1,6 @@
 function gradioApp() {
-    const gradioShadowRoot = document.getElementsByTagName('gradio-app')[0].shadowRoot
+    const elems = document.getElementsByTagName('gradio-app')
+    const gradioShadowRoot = elems.length == 0 ? null : elems[0].shadowRoot
     return !!gradioShadowRoot ? gradioShadowRoot : document;
 }