def change_house_let(request, object_id):
    if request.method == "POST":
        new_data = request.POST.copy()
        form = HouseLetForm(new_data)
        
        if form.is_valid():
            pass
        else:
            pass
    else:
        h = HouseLet.objects.get(pk=object_id)
        p = Property.objects.get(pk=object_id)
        a = Ad.objects.get(pk=object_id)
        
        d = {}
        
        d.update(vars(h))
        d.update(vars(p))
        d.update(vars(a))
        
        context = dict(form=HouseLetForm(initial=d))

    return render_to_response("house_let.html", context)