$ git clone -n https://src.fedoraproject.org/rpms/python-wxpython4.git /var/lib/mock/f40-build-783658-133072/root/chroot_tmpdir/scmroot/python-wxpython4
Cloning into '/var/lib/mock/f40-build-783658-133072/root/chroot_tmpdir/scmroot/python-wxpython4'...
$ git fetch origin 73402eb2d57a65d2df1b1a8475c851a7f92733df:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-wxpython4
 * [new ref]         73402eb2d57a65d2df1b1a8475c851a7f92733df -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 73402eb Revert back to generating code and apply patches to fix FTBFS