$ git clone -n https://gitee.com/happy_orange/python-joblib.git /var/lib/mock/dist-an8.6-build-174541-58996/root/chroot_tmpdir/scmroot/python-joblib
Cloning into '/var/lib/mock/dist-an8.6-build-174541-58996/root/chroot_tmpdir/scmroot/python-joblib'...
$ git reset --hard 86665bbb47a7eb744418afe4e09185f79d9e6ce8
HEAD is now at 86665bb change the python version to 3.8