context = RequestContext(request)
    try:
        context['obj'] = Obj.objects.get(id=id)
    except Issue.DoesNotExist:
        return HttpResponseRedirect('/')
    print int(context['obj'].state.pk) //old
    if request.method == 'POST':
            context['userform'] = ObjUserForm(request.POST, instance=context['obj'])
            if context['userform'].is_valid():
                print int(context['obj'].state.pk) //pld
                previos_state = int(context['obj'].state.pk)
                print previos_state //new! O_o
                db = context['userform'].save()
                print previos_state //new