  from djangorestframework.mediatypes import MediaType
  from djangorestframework.utils import as_tuple, MSIE_USER_AGENT_REGEX
  from djangorestframework.response import ErrorResponse
  from djangorestframework.parsers import FormParser, MultipartParser
  from djangorestframework import status
  
 
</s> remove from djangorestframework.mediatypes import MediaType
 </s> add from djangorestframework.utils.mediatypes import MediaType </s> remove from djangorestframework.mediatypes import MediaType
 </s> add from djangorestframework.utils.mediatypes import MediaType </s> remove from djangorestframework import renderers, parsers, authenticators, permissions, validators, status
 </s> add from djangorestframework import renderers, parsers, authentication, permissions, validators, status </s> remove from djangorestframework.breadcrumbs import get_breadcrumbs
 </s> add from djangorestframework.utils.breadcrumbs import get_breadcrumbs </s> remove from djangorestframework.markdownwrapper import apply_markdown
from djangorestframework.description import get_name, get_description
 </s> add from djangorestframework.compat import apply_markdown
from djangorestframework.utils.description import get_name, get_description
from djangorestframework.utils.mediatypes import MediaType
from djangorestframework.utils.mediatypes import MediaType
  from djangorestframework.utils import as_tuple, MSIE_USER_AGENT_REGEX
  from djangorestframework.response import ErrorResponse
  from djangorestframework.parsers import FormParser, MultipartParser
  from djangorestframework import status
  
replace keep keep keep keep keep
 More refactoring - move various less core stuff into utils etc 
djangorestframework/mixins.py