  from django import template
  from django.core.urlresolvers import reverse
  from django.http import QueryDict
  from django.utils.encoding import force_unicode
  from django.utils.html import escape
  from django.utils.safestring import SafeData, mark_safe
  from urlparse import urlsplit, urlunsplit
  import re
 
</s> remove import django_filters
 </s> add 
  from django import template
  from django.core.urlresolvers import reverse

  from django.utils.encoding import force_unicode
  from django.utils.html import escape
  from django.utils.safestring import SafeData, mark_safe
  from urlparse import urlsplit, urlunsplit
  import re
keep keep replace keep keep keep keep keep
 Make filtering optional, and pluggable. 
rest_framework/templatetags/rest_framework.py