Why isn't this code working?

import datetime

from django.core.urlresolvers import reverse
from django.test import TestCase

from .models import Article, Writer

class ArticleDetailViewTestCase(TestCase):
    '''Tests for the Article detail view'''

    def setUp(self):
        self.writer = Writer.objects.create(
            name='Kenneth Love',
            email='kenneth@teamtreehouse.com',
            bio='Your friendly, local Python teacher'
        )
        self.article = Article.objects.create(
          writer=self.writer,
          headline='Article 0',
          content='Something about 0',
          publish_date=datetime.datetime.today()
        )

    def test_detail_template(self):
        '''Make sure the `articles/article_detail.html` template is used'''
        resp = self.client.get(reverse('articles:detail',
                                       kwargs={'pk': self.article.pk}))
        self.assertTemplateUsed(resp, 'articles/article_detail.html')
        self.assertContains(resp, self.article.headline)

       def test_detail_template_writer(self):
        '''Make sure the article writer's name is in the rendered output'''
        resp = self.client.get(reverse('articles:writer', kwargs={
                    'article_pk': self.article.pk,
                    'writer_pk': self.writer.pk}))
        self.assertEqual(resp.status_code, 200)
        self.assertEqual(self.writer, resp.context['writer'])
        self.assertTemplateUsed(resp, 'courses/writer_detail.html')