  from django.utils.html import escape
  from django.utils.safestring import SafeData, mark_safe
  from urlparse import urlsplit, urlunsplit
  import re
  import string
  
  register = template.Library()
 
</s> remove from django.http import QueryDict
 </s> add  </s> remove import django_filters
 </s> add 
from django.http import QueryDict
  from django.utils.html import escape
  from django.utils.safestring import SafeData, mark_safe
from django.http import QueryDict
  from urlparse import urlsplit, urlunsplit
  import re
  import string
  
  register = template.Library()
keep add keep keep keep keep keep
 Make filtering optional, and pluggable. 
rest_framework/templatetags/rest_framework.py