@login_required
def hwklist(request):
    if request.GET:
        if request.GET['sort'] == 'asc':
                object_list = Homework.objects.order_by('-duedate')[:100]
                ascending = '1'
                c = Context({
                        'object_list': object_list,
                        'ascending': ascending,
                })
    else:
        object_list = Homework.objects.order_by('duedate')[:100]
        c = Context({
                'object_list': object_list,
        })
    t = loader.get_template('homework/homework_list.html')
    return HttpResponse(t.render(c))