  from rest_framework import serializers
  
  # TODO: Support URLconf kwarg-style paging
  
  
  class PageField(serializers.Field):
      page_field = 'page'
 
</s> remove import django_filters
 </s> add  </s> remove import django_filters
 </s> add 
from rest_framework.templatetags.rest_framework import replace_query_param
  from rest_framework import serializers
from rest_framework.templatetags.rest_framework import replace_query_param
  
  # TODO: Support URLconf kwarg-style paging
  
  
  class PageField(serializers.Field):
      page_field = 'page'
add keep keep keep keep keep keep
 Make filtering optional, and pluggable. 
rest_framework/pagination.py