$ git clone -n https://src.fedoraproject.org/rpms/python-tornado.git /var/lib/mock/f33-build-279357-51688/root/chroot_tmpdir/scmroot/python-tornado
Cloning into '/var/lib/mock/f33-build-279357-51688/root/chroot_tmpdir/scmroot/python-tornado'...
$ git reset --hard fb7941093d1f35fbb90739ca2e5a81e16b076e59
HEAD is now at fb79410 Rebuilt for Python 3.9