  """
  Generic views that provide commonly needed behaviour.
  """
  from __future__ import unicode_literals
  from django.db.models.query import QuerySet
  from django.http import Http404
  from django.shortcuts import get_object_or_404 as _get_object_or_404
  from rest_framework import views, mixins
  from rest_framework.settings import api_settings
  
 
</s> remove from django.utils.encoding import force_text
 </s> add from django.db.models.query import QuerySet </s> remove from django.core.exceptions import PermissionDenied
from django.http import Http404
 </s> add import inspect
import warnings
 </s> remove from django.db.models.query import QuerySet
 </s> add import uuid
import json
import decimal
import datetime
 </s> remove from django.core.exceptions import PermissionDenied
 </s> add 
  """
  Generic views that provide commonly needed behaviour.
  """
  from __future__ import unicode_literals

  from django.http import Http404
  from django.shortcuts import get_object_or_404 as _get_object_or_404
  from rest_framework import views, mixins
  from rest_framework.settings import api_settings
  
keep keep keep keep replace keep keep keep keep keep
 Cleanup import following PEP 8 style guide 
rest_framework/generics.py