text: from __future__ import unicode_literals
  
  from rest_framework.filters import BaseFilterBackend
  
  
  class RecentSearchUserFilter(BaseFilterBackend):
      def filter_queryset(self, request, queryset, view):
          if request.user.is_staff or request.user.is_superuser:
              return queryset
          else:
              return queryset.filter(user=self.request.user)
  