From 7e46bc87b6e68b52e05c7eee0c9a4d4bd04a9a8f Mon Sep 17 00:00:00 2001
From: digger yu <digger-yu@outlook.com>
Date: Mon, 3 Jul 2023 17:09:06 +0800
Subject: [PATCH] fix CheckpointIndexFile is not defined (#4109)

---
 colossalai/checkpoint_io/utils.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/colossalai/checkpoint_io/utils.py b/colossalai/checkpoint_io/utils.py
index 3dada00cd..f28b3e82c 100644
--- a/colossalai/checkpoint_io/utils.py
+++ b/colossalai/checkpoint_io/utils.py
@@ -11,6 +11,7 @@ import torch.nn as nn
 from torch.optim import Optimizer
 
 from colossalai.tensor.d_tensor.d_tensor import DTensor
+from .index_file import CheckpointIndexFile
 
 SAFE_WEIGHTS_NAME = "model.safetensors"
 WEIGHTS_NAME = "pytorch_model.bin"