标题简要描述：

在比较新的系统中repo sync命令报错

Traceback (most recent call last):
File "/home/stesen/src/ohos/.repo/repo/main.py", line 56, in
from subcmds.version import Version
File "/home/stesen/src/ohos/.repo/repo/subcmds/init.py", line 35, in
mod = import(name,
File "/home/stesen/src/ohos/.repo/repo/subcmds/help.py", line 20, in
from formatter import AbstractFormatter, DumbWriter
ModuleNotFoundError: No module named 'formatter'

formatter已经在python3.4标记成废弃接口，在python3.10已经正式删除，并且其依赖的cStringIO也已经删除

修复方式

请同步上游修改
https://gerrit-review.googlesource.com/c/git-repo/+/303282