title: Exception Value: Caught NoReverseMatch while rendering: Reverse for 'begin' with arguments '(u'google-oauth2',)'
body: <p>I make google authorization (Oauth 2.0) with django-social-auth and getting error</p>
  
  <pre><code>Django Version: 1.3
  Exception Type: TemplateSyntaxError
  Exception Value:    
  Caught NoReverseMatch while rendering: Reverse for 'begin' with arguments '(u'google-oauth2',)' and keyword arguments '{}' not found.
  Exception Location: /usr/local/lib/python2.6/site-packages/django/template/defaulttags.py in render, line 450
  Python Executable:  /usr/local/bin/python
  Python Version: 2.6.6
  </code></pre>
  
  <p>Template</p>
  
  <pre><code>&lt;a rel="nofollow" href="{% url begin "google-oauth2" %}"  &gt;&lt;img src="{{ MEDIA_URL }}social/google.png" id="google"&gt;&lt;/a&gt;
  </code></pre>
  
  <p>url.py</p>
  
  <pre><code>urlpatterns = patterns('',    
      url(r'', include('social_auth.urls')),
  )
  social_auth.urls
  urlpatterns = patterns('',
      url(r'^login/(?P&lt;backend&gt;[^/]+)/$', auth, name='begin'),
      url(r'^complete/(?P&lt;backend&gt;[^/]+)/$', complete, name='complete'),
      url(r'^associate/(?P&lt;backend&gt;[^/]+)/$', associate, name='associate_begin'),
      url(r'^associate/complete/(?P&lt;backend&gt;[^/]+)/$', associate_complete,
          name='associate_complete'),
      url(r'^disconnect/(?P&lt;backend&gt;[^/]+)/$', disconnect, name='disconnect'),
  )
  </code></pre>
  
  <p>What am I doing wrong?</p>
  
  <p>Please help to find the solution.</p>