  from django.conf.urls import patterns, url
  from django.db import models
  from django.forms.models import BaseModelFormSet
  from django.http import HttpResponse
  
  from .models import (Article, Chapter, Account, Media, Child, Parent, Picture,
      Widget, DooHickey, Grommet, Whatsit, FancyDoodad, Category, Link,
      PrePopulatedPost, PrePopulatedSubPost, CustomArticle, Section,
 
</s> remove 
 </s> add from django.template.loader import get_template
from django.template.context import Context
from django.contrib.admin import BooleanFieldListFilter
  from django.conf.urls import patterns, url
  from django.db import models
  from django.forms.models import BaseModelFormSet
  from django.http import HttpResponse
from django.contrib.admin import BooleanFieldListFilter
  
  from .models import (Article, Chapter, Account, Media, Child, Parent, Picture,
      Widget, DooHickey, Grommet, Whatsit, FancyDoodad, Category, Link,
      PrePopulatedPost, PrePopulatedSubPost, CustomArticle, Section,
keep keep keep add keep keep keep keep
 Fixed #17515 -- Added ability to override the template of custom admin FilterSpec classes. Thanks, saxix and Julien Phalip.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@17483 bcc190cf-cafb-0310-a4f2-bffc1f526a37 
tests/regressiontests/admin_views/admin.py