text: # -*- coding: utf-8 -*-
  from __future__ import unicode_literals
  
  from rest_framework import mixins
  from rest_framework.viewsets import GenericViewSet
  
  from irekua_database import models
  from irekua_rest_api import utils
  from irekua_rest_api import serializers
  
  
  class CollectionTypeAdministratorViewSet(mixins.RetrieveModelMixin,
                                           mixins.DestroyModelMixin,
                                           utils.CustomViewSetMixin,
                                           GenericViewSet):
      queryset = models.CollectionType.administrators.through.objects.all()  # pylint: disable=E1101
      
      serializer_mapping = utils.SerializerMapping.from_module(
          serializers.object_types.data_collections.administrators)
  
      permission_mapping = utils.PermissionMapping()
  