Metaclass specification is incompatible between Python 2 and 3. Use the six.with_metaclass helper to specify metaclasses. Reviewed-By: Petr Viktorin <pviktori@redhat.com>
Metaclass specification is incompatible between Python 2 and 3. Use the six.with_metaclass helper to specify metaclasses. Reviewed-By: Petr Viktorin <pviktori@redhat.com>