      _CONTENTTYPE_PARAM = api_settings.FORM_CONTENTTYPE_OVERRIDE
  
      def __init__(self, request, parsers=None, authentication=None):
          self._request = request
          self.parsers = parsers or ()
          self.authentication = authentication or ()
          self._data = Empty
          self._files = Empty
          self._method = Empty
          self._content_type = Empty
          self._stream = Empty
 
</s> remove     def __init__(self, request, parsers=None, authentication=None):
 </s> add     def __init__(self, request, parser_classes=None, authentication_classes=None): </s> remove         self.renderers = renderers
 </s> add         self.renderer_classes = renderer_classes </s> remove     renderers = api_settings.DEFAULT_RENDERERS
    parsers = api_settings.DEFAULT_PARSERS
    authentication = api_settings.DEFAULT_AUTHENTICATION
 </s> add     renderer_classes = api_settings.DEFAULT_RENDERERS
    parser_classes = api_settings.DEFAULT_PARSERS
    authentication_classes = api_settings.DEFAULT_AUTHENTICATION </s> remove     renderers = (DocumentingHTMLRenderer, JSONRenderer)
 </s> add     renderer_classes = (DocumentingHTMLRenderer, JSONRenderer) </s> remove     renderers = (RendererA, RendererB)
 </s> add     renderer_classes = (RendererA, RendererB)
        self.parser_classes = parser_classes or ()
        self.authentication_classes = authentication_classes or ()
      _CONTENTTYPE_PARAM = api_settings.FORM_CONTENTTYPE_OVERRIDE
  
      def __init__(self, request, parsers=None, authentication=None):
          self._request = request
        self.parser_classes = parser_classes or ()
        self.authentication_classes = authentication_classes or ()
        self.parser_classes = parser_classes or ()
        self.authentication_classes = authentication_classes or ()
          self._data = Empty
          self._files = Empty
          self._method = Empty
          self._content_type = Empty
          self._stream = Empty
keep keep keep keep replace replace keep keep keep keep keep
 Better naming for properties on views, requests and responses

renderers is now renderer_classes
parsers is now parser_classes
authentication is now authentication_classes 
djangorestframework/request.py