From 728550932815ee099be8f61ba6e96b510a32bf92 Mon Sep 17 00:00:00 2001
From: Ian Hsieh <ihsieh@pixar.com>
Date: Thu, 11 Nov 2021 07:43:28 -0800
Subject: [PATCH] For GitHub #627.

Double check the node returned is not None.
---
 rman_ui/rman_ui_txmanager.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/rman_ui/rman_ui_txmanager.py b/rman_ui/rman_ui_txmanager.py
index 285e2759..d05144d9 100644
--- a/rman_ui/rman_ui_txmanager.py
+++ b/rman_ui/rman_ui_txmanager.py
@@ -245,7 +245,9 @@ def execute(self, context):
                 continue
             node_name,param,ob_name = tokens
 
-            node, ob = scene_utils.find_node_by_name(node_name, ob_name)   
+            node, ob = scene_utils.find_node_by_name(node_name, ob_name)
+            if not node:
+                continue
             if getattr(node, param) != item.name:
                 nodeIDs.append(nodeID)