'RegexURLResolver' object has no attribute 'default_args'

[jon]

I am a newbie to Django, coming from PHP/Yii. I have gotten to the part 4 
of the official Django tutorial but can't seem to get by this error.

I have looked online and in this forum but cannot find anything on this 
specific error.

Error:

AttributeError at /polls/1/vote/

'RegexURLResolver' object has no attribute 'default_args'

Request Method: POST
Request URL: http://127.0.0.1:8000/polls/1/vote/
Django Version: 1.8.4
Exception Type: AttributeError
Exception Value: 

'RegexURLResolver' object has no attribute 'default_args'



View: 

def vote(request, question_id):
    question = get_object_or_404(Question, pk=question_id)
    try:
        selected_choice = question.choice_set.get(pk=request.POST['choice'])
    except (KeyError, Choice.DoesNotExist):
        return render(request, 'polls/detail.html', {
            'question': question,
            'error_message': "You didn't select a choice.",
        })
    else:
        selected_choice.votes += 1
        selected_choice.save()
        return HttpResponseRedirect(reverse('polls:results', 
args=(question.id,)))



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