          return queryset
  
  
  class SearchFilter(BaseFilterBackend):
      search_param = 'search'  # The URL query parameter used for the search.
  
      def get_search_terms(self, request):
          """
          Search terms are set by a ?search=... query parameter,
          and may be comma and/or whitespace delimited.
 
</s> remove     ordering_param = 'ordering'  # The URL query parameter used for the ordering.
 </s> add     # The URL query parameter used for the ordering.
    ordering_param = api_settings.ORDERING_PARAM </s> remove             ) </s> add 
    # The URL query parameter used for the search.
    search_param = api_settings.SEARCH_PARAM
          return queryset
  
  
  class SearchFilter(BaseFilterBackend):
    # The URL query parameter used for the search.
    search_param = api_settings.SEARCH_PARAM
  
      def get_search_terms(self, request):
          """
          Search terms are set by a ?search=... query parameter,
          and may be comma and/or whitespace delimited.
keep keep keep keep replace keep keep keep keep keep
 Add SEARCH_PARAM and ORDERING_PARAM to settings

Fixes #1434 
rest_framework/filters.py