!29 [sync] PR-28: 【轻量级 PR】：20.6.1 doesn't require python-dataclasses, removes it

From: @openeuler-sync-bot
Reviewed-by: @xiyuanwang
Signed-off-by: @xiyuanwang

openstack-nova.spec

@@ -15,7 +15,7 @@ Name:             openstack-nova
 # Liberty semver reset
 # https://review.openstack.org/#/q/I6a35fa0dda798fad93b804d00a46af80f08d475c,n,z
 Version:          20.6.1
-Release:          1
+Release:          2
 Summary:          OpenStack Compute (nova)
 
 License:          ASL 2.0
@@ -280,7 +280,6 @@ Requires:         python3-webob
 Requires:         python3-castellan
 Requires:         python3-cryptography
 Requires:         python3-cursive
-Requires:         python3-dataclasses
 Requires:         python3-glanceclient
 Requires:         python3-greenlet
 Requires:         python3-keystonemiddleware
@@ -730,6 +729,9 @@ exit 0
 %endif
 
 %changelog
+* Fri Nov 19 2021 huangtianhua <huangtianhua@huawei.com> - 20.6.1-2
+- 20.6.1 doesn't require python-dataclasses, removes it.
+
 * Fri Nov 05 2021 wangxiyuan <wangxiyuan1007@gmail.com> - 20.6.1-1
 - Support OpenStack Train release