From a5798c73b6cc3bfa334ffd67ac4628ae758d1e29 Mon Sep 17 00:00:00 2001
From: Vladimir Mandic <mandic00@live.com>
Date: Fri, 21 Apr 2023 09:36:11 -0400
Subject: [PATCH] post merge fixes

---
 modules/scripts.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/modules/scripts.py b/modules/scripts.py
index d208e23e2..da76b22ab 100644
--- a/modules/scripts.py
+++ b/modules/scripts.py
@@ -525,6 +525,8 @@ def add_classes_to_gradio_component(comp):
     elem_classes = []
     if hasattr(comp, "elem_classes"):
         elem_classes = comp.elem_classes
+    if elem_classes is None:
+        elem_classes = []
     comp.elem_classes = ["gradio-" + comp.get_block_name(), *(elem_classes)]
 
     if getattr(comp, 'multiselect', False):