'Calculate the template PDF based on the course mode.'

@staticmethod
def _template_for_mode(mode_slug, course_key):

    return (u'certificate-template-{key.org}-{key.course}-verified.pdf'.format(key=course_key) if (mode_slug == 'verified') else u'certificate-template-{key.org}-{key.course}.pdf'.format(key=course_key))
