Please build python-django-piston for epel7. Regards!
python-django-piston-0.2.3-7.el7 has been submitted as an update for Fedora EPEL 7. https://admin.fedoraproject.org/updates/python-django-piston-0.2.3-7.el7
python-django-piston-0.2.3-7.el7 has been pushed to the Fedora EPEL 7 testing repository.
python-django-piston-0.2.3-7.el7 has been pushed to the Fedora EPEL 7 stable repository.