Tutorial Part4: object_list() got an unexpected keyword argument 'object_id'

At the end of tutorial part 4, I got following error message and could not get displayed the result page.

Request Method:	GET
Request URL:	http://127.0.0.1:8000/polls/1/result/
Django Version:	1.3.1
Exception Type:	TypeError
Exception Value:	object_list() got an unexpected keyword argument 'object_id'
Exception Location:	/usr/lib/python2.7/dist-packages/django/core/handlers/base.py in get_response, line 111

Here is the copy of each related codes.

results.html:

<h1>{{ object.question }}</h1>
<ul>
{% for choice in object.choice_set.all %}
    <li>{{choice.choice }}  -- {{ choice.votes }} Hyou</li>
{% endfor %}
</ul>

urls.py:

urlpatterns = patterns('',
    (r'^$', 'django.views.generic.list_detail.object_list', info_dict),
    (r'^(?P<object_id>\d+)/$', 'django.views.generic.list_detail.object_detail', info_dict),
    url(r'^(?P<object_id>\d+)/result/$', 'django.views.generic.list_detail.object_list', dict(info_dict, template_name='pol
    (r'^(?P<poll_id>\d+)/vote/$', 'mysite.polls.views.vote'),
...

views.py:

def vote(request, poll_id):
    p = get_object_or_404(Poll, pk=poll_id)
    try:
        selected_choice = p.choice_set.get(pk=request.POST['choice'])
    except (KeyError, Choice.DoseNotExist):
        return redner_to_response('polls/poll_detail.html',
                                  {
                                    'object': p,
                                    'error_message': "You didn't choice.",
                                  })
    else:
        selected_choice.votes += 1
        selected_choice.save()     
        return HttpResponseRedirect(reverse('poll_results', args=(p.id,)))

I suspected the mis-update of poll to object or latest_poll_list to object_list but it seems fine to me...
It will be very nice if I can complete this and move on to the next level.

Thanks in advance.

Kenji

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