From 780a00e9cbd60aa6cd7ed8e31317e8c536b8b2bb Mon Sep 17 00:00:00 2001
From: Wenqi Li <wenqil@nvidia.com>
Date: Mon, 4 Oct 2021 11:57:45 +0100
Subject: [PATCH] update backend

Signed-off-by: Wenqi Li <wenqil@nvidia.com>
---
 monai/transforms/utility/dictionary.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/monai/transforms/utility/dictionary.py b/monai/transforms/utility/dictionary.py
index 7333484d13..0a4df58647 100644
--- a/monai/transforms/utility/dictionary.py
+++ b/monai/transforms/utility/dictionary.py
@@ -1165,6 +1165,8 @@ class ClassesToIndicesd(MapTransform):
 
     """
 
+    backend = ClassesToIndices.backend
+
     def __init__(
         self,
         keys: KeysCollection,