old_contents: from __future__ import absolute_import, unicode_literals
  
  from django.core.urlresolvers import reverse_lazy
  from django.views.generic import ListView, DeleteView
  
  from braces.views import LoginRequiredMixin
  
  from ..compat import reverse_lazy
  from ..models import AccessToken
  
  
  class AuthorizedTokensListView(LoginRequiredMixin, ListView):
      """
      Show a page where the current logged-in user can see his tokens so they can revoke them
      """
      context_object_name = 'authorized_tokens'
      template_name = 'oauth2_provider/authorized-tokens.html'
      model = AccessToken
  
      def get_queryset(self):
          """
          Show only user's tokens
          """
          return super(AuthorizedTokensListView, self).get_queryset()\
              .select_related('application').filter(user=self.request.user)
  
  
  class AuthorizedTokenDeleteView(LoginRequiredMixin, DeleteView):
      """
      View for revoking a specific token
      """
      template_name = 'oauth2_provider/authorized-token-delete.html'
      success_url = reverse_lazy('oauth2_provider:authorized-token-list')
      model = AccessToken
  
      def get_queryset(self):
          return super(AuthorizedTokenDeleteView, self).get_queryset().filter(user=self.request.user)
  
new_contents: from __future__ import absolute_import, unicode_literals
  
  from django.views.generic import ListView, DeleteView
  from braces.views import LoginRequiredMixin
  
  from ..compat import reverse_lazy
  from ..models import AccessToken
  
  
  class AuthorizedTokensListView(LoginRequiredMixin, ListView):
      """
      Show a page where the current logged-in user can see his tokens so they can revoke them
      """
      context_object_name = 'authorized_tokens'
      template_name = 'oauth2_provider/authorized-tokens.html'
      model = AccessToken
  
      def get_queryset(self):
          """
          Show only user's tokens
          """
          return super(AuthorizedTokensListView, self).get_queryset()\
              .select_related('application').filter(user=self.request.user)
  
  
  class AuthorizedTokenDeleteView(LoginRequiredMixin, DeleteView):
      """
      View for revoking a specific token
      """
      template_name = 'oauth2_provider/authorized-token-delete.html'
      success_url = reverse_lazy('oauth2_provider:authorized-token-list')
      model = AccessToken
  
      def get_queryset(self):
          return super(AuthorizedTokenDeleteView, self).get_queryset().filter(user=self.request.user)
  
subject: Fix a duplicate import