  from django.db.models import Model
  from django.db.models.query import QuerySet
  from django.db.models.fields.related import RelatedField
  
  from djangorestframework.response import Response, ResponseException
  from djangorestframework.resource import Resource
  from djangorestframework import status, validators
  
  import decimal
  import inspect
 
</s> remove from djangorestframework.emitters import EmitterMixin
from djangorestframework.response import Response, ResponseException
from djangorestframework.request import RequestMixin, AuthMixin
 </s> add from djangorestframework.response import Response, ErrorResponse
from djangorestframework.mixins import RequestMixin, ResponseMixin, AuthMixin </s> remove from djangorestframework.response import NoContent, ResponseException
 </s> add from djangorestframework.response import ErrorResponse </s> remove from djangorestframework.response import ResponseException
 </s> add from djangorestframework.response import ErrorResponse </s> remove from djangorestframework.response import ResponseException
 </s> add from djangorestframework.response import ErrorResponse </s> remove from djangorestframework.emitters import EmitterMixin, BaseEmitter
 </s> add from djangorestframework.emitters import BaseEmitter
from djangorestframework.mixins import ResponseMixin
from djangorestframework.response import Response, ErrorResponse
  from django.db.models import Model
  from django.db.models.query import QuerySet
  from django.db.models.fields.related import RelatedField
  
from djangorestframework.response import Response, ErrorResponse
  from djangorestframework.resource import Resource
  from djangorestframework import status, validators
  
  import decimal
  import inspect
keep keep keep keep replace keep keep keep keep keep
 Rename mixins into Mixin class, rename ResponseException to ErrorResponse, remove NoContent 
djangorestframework/modelresource.py