From 3a49a476f052ae0cda4600627aeeb9cece2c5d02 Mon Sep 17 00:00:00 2001
From: "xuye.qin" <qin@qinxuye.me>
Date: Wed, 8 Jun 2022 15:02:58 +0800
Subject: [PATCH] Fix import

---
 mars/services/storage/api/oscar.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mars/services/storage/api/oscar.py b/mars/services/storage/api/oscar.py
index a2dadbc66b..7b6e3849b1 100644
--- a/mars/services/storage/api/oscar.py
+++ b/mars/services/storage/api/oscar.py
@@ -13,7 +13,7 @@
 # limitations under the License.
 
 import sys
-from typing import Any, List, Tuple, Type, TypeVar
+from typing import Any, List, Tuple, Type, TypeVar, Union
 
 from .... import oscar as mo
 from ....lib.aio import alru_cache