text: # -*- coding: utf-8 -*-
  from __future__ import unicode_literals
  
  from django.contrib.auth.models import User, Group
  from rest_framework import viewsets
  from .serializers import UserSerializer, GroupSerializer
  
  
  class UserViewSet(viewsets.ModelViewSet):
      """
      API endpoint that allows users to be viewed or edited.
      """
      queryset = User.objects.all().order_by('-date_joined')
      serializer_class = UserSerializer
  
  
  class GroupViewSet(viewsets.ModelViewSet):
      """
      API endpoint that allows groups to be viewed or edited.
      """
      queryset = Group.objects.all()
      serializer_class = GroupSerializer
  