Bug found: Docker cant import image becouse it contain illegal symbol

[shellcode30]

Greetings,
version:
rpm-ostree-toolbox-2015.7-2.el7.x86_64
manual from:
http://developerblog.redhat.com/2015/01/15/creating-custom-atomic-trees-images-and-installers-part-1/
http://developerblog.redhat.com/2015/01/15/creating-custom-atomic-trees-images-and-installers-part-2/

command:
rpm-ostree-toolbox installer -c /home/sig-atomic-buildscripts/config.ini --ostreerepo /srv/rpm-ostree/centos-atomic-host/7/ -o /srv/rpm-ostree/centos-atomic-host/7/images

results:
docker cant import image: "rpm-ostree-toolbox/centos-atomic-host-7" becouse it contain illegal symbol "/"
File /usr/lib64/rpm-ostree-toolbox/py/rpmostreecompose/taskbase.py
Line: 392
rpm-ostree-toolbox/
FIX: rpm-ostree-toolbox-