diff --git a/cloud-init.spec b/cloud-init.spec
index e56e5163738782a58a0ffbc78a2b63e521827aaf..dc470d3bf5c2dd8fa442e6d9caac22a41bd31bc3 100644
--- a/cloud-init.spec
+++ b/cloud-init.spec
@@ -1,6 +1,6 @@
 Name: cloud-init
 Version: 21.4
-Release: 9
+Release: 10
 Summary: the defacto multi-distribution package that handles early initialization of a cloud instance.
 License: ASL 2.0 or GPLv3
 URL: http://launchpad.net/cloud-init
@@ -20,6 +20,7 @@ Patch8: backport-netplan-define-features.NETPLAN_CONFIG_ROOT_READ_ONL.patch
 Patch9: backport-Fix-the-distro.osfamily-output-problem.patch
 Patch10:backport-netplan-keep-custom-strict-perms-when-50-cloud-init.patch
 Patch11:backport-Do-not-change-permissions-of-netrules-target.patch
+Patch12: fix-unittests.patch
 
 Patch9000: Fix-the-error-level-logs-displayed-for-the-cloud-init-local-service.patch
 
@@ -131,6 +132,9 @@ fi
 %exclude /usr/share/doc/*
 
 %changelog
+* Sat Apr 15 2023 bigclouds99 <yuelg@chinaunicom.cn> - 21.4-10
+- Fix a unitest error
+
 * Thu Apr 13 2023 shixuantong <shixuantong1@huawei.com> - 21.4-9
 - Don't change permissions of netrules target
 
diff --git a/fix-unittests.patch b/fix-unittests.patch
new file mode 100644
index 0000000000000000000000000000000000000000..7e3d7614e68fd66a56fd89b4e6730562b5dcef21
--- /dev/null
+++ b/fix-unittests.patch
@@ -0,0 +1,11 @@
+--- a/tests/unittests/test_templating.py	2023-03-16 17:06:26.151150107 +0800
++++ b/tests/unittests/test_templating.py	2023-03-16 17:06:17.234010784 +0800
+@@ -58,7 +58,7 @@
+         blob = "blahblah $blah"
+         (template_type, _renderer, _contents) = templater.detect_template(blob)
+         self.assertIn("cheetah", template_type)
+-        self.assertEqual(blob, contents)
++        self.assertEqual(blob, _contents)
+
+         blob = '##template:something-new'
+         self.assertRaises(ValueError, templater.detect_template, blob)