def  json(request, item_id):
    try:
        obj = MyModelOne.objects.get(id=item_id)
        obj2 = MyModelTwo.objects.get(item_id=obj.id)
    except Exception, e:
        print str(e)
    return HttpResponse(json.dumps({
            'privet': obj.privet,
            'kakdela': [
                {
                    'key': obj2.hello,
                    'value': obj2.world
                }
            ]
    }))