          self.parser_context = parser_context
          self._data = Empty
          self._files = Empty
          self._full_data = Empty
          self._method = Empty
          self._content_type = Empty
          self._stream = Empty
  
          if self.parser_context is None:
              self.parser_context = {}
 
</s> remove     ret._method = method
 </s> add     ret.method = method </s> remove from rest_framework.settings import api_settings
 </s> add  </s> remove from rest_framework.request import Empty, Request
 </s> add from rest_framework.request import Request </s> remove     BaseParser, FormParser, JSONParser, MultiPartParser
 </s> add     BaseParser, FormParser, MultiPartParser </s> remove from django.core.handlers.wsgi import WSGIRequest
 </s> add 
          self.parser_context = parser_context
          self._data = Empty
          self._files = Empty
          self._full_data = Empty

          self._content_type = Empty
          self._stream = Empty
  
          if self.parser_context is None:
              self.parser_context = {}
keep keep keep keep replace keep keep keep keep keep
 Fix request cloning, so method becomes set 
rest_framework/request.py