def course_boxes_toc(accusative=False):
last = None, None
object_list = []
- for l in Lesson.curriculum_courses.through.objects.all().order_by(
+ for l in Lesson.curriculum_courses.through.objects.all().select_related('lesson__level', 'curriculumcourse').order_by(
'lesson__level', 'curriculumcourse'):
level, course = l.lesson.level, l.curriculumcourse
if (level, course) == last: