  from rest_framework import views, mixins
  from rest_framework.settings import api_settings
  from django.views.generic.detail import SingleObjectMixin
  from django.views.generic.list import MultipleObjectMixin
  import django_filters
  
  ### Base classes for the generic views ###
  
  class GenericAPIView(views.APIView):
      """
 
</s> remove import django_filters
 </s> add 
  from rest_framework import views, mixins
  from rest_framework.settings import api_settings
  from django.views.generic.detail import SingleObjectMixin
  from django.views.generic.list import MultipleObjectMixin

  
  ### Base classes for the generic views ###
  
  class GenericAPIView(views.APIView):
      """
keep keep keep keep replace keep keep keep keep keep
 Make filtering optional, and pluggable. 
rest_framework/generics.py