text: from django.contrib import admin
  
  # Register your models here.
  from django.db import models
  from opinions.models import OpinionQuestion, OpinionSubQuestion
  
  class OpinionSubQuestionInline(admin.TabularInline):
      model = OpinionSubQuestion
      extra = 1
  
  class OpinionQuestionAdmin(admin.ModelAdmin):
      filter_horizontal = ('can_answer', 'can_see_answers', 'group_can_see_answers', )
      inlines = [OpinionSubQuestionInline]
  
  admin.site.register(OpinionQuestion, OpinionQuestionAdmin)
  