title: ImproperlyConfigured at /rest-auth/registration/account-confirm-email
body: <p>I'm using <a href="http://django-rest-auth.readthedocs.org/en/latest/" rel="noreferrer">django-rest-auth</a> for user signup and verify email.
  I'm able to successfully send the email when a user signs up. Howvever, on email verification, I'm getting this error with the following traceback:</p>
  
  <pre><code>File "/Library/Python/2.7/site-packages/django/core/handlers/base.py" in get_response
    111.                     response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "/Library/Python/2.7/site-packages/django/views/generic/base.py" in view
    69.             return self.dispatch(request, *args, **kwargs)
  File "/Library/Python/2.7/site-packages/django/views/generic/base.py" in dispatch
    87.         return handler(request, *args, **kwargs)
  File "/Library/Python/2.7/site-packages/django/views/generic/base.py" in get
    155.         return self.render_to_response(context)
  File "/Library/Python/2.7/site-packages/django/views/generic/base.py" in render_to_response
    130.             template=self.get_template_names(),
  File "/Library/Python/2.7/site-packages/django/views/generic/base.py" in get_template_names
    142.                 "TemplateResponseMixin requires either a definition of "
  
  Exception Type: ImproperlyConfigured at /rest-auth/registration/account-confirm-email/vjohhnrf6xpkmn1jxbzaopdn0g79tdyofumeeuyuehcuja8slyz7nzq1idyifcqk/
  Exception Value: TemplateResponseMixin requires either a definition of 'template_name' or an implementation of 'get_template_names()'
  </code></pre>
  
  <p>Any idea on how to fix this ?</p>