text: from content_editor.admin import ContentEditor, ContentEditorInline
  from django.contrib import admin
  from feincms3 import plugins
  
  from . import models
  
  
  @admin.register(models.Article)
  class ArticleAdmin(ContentEditor):
      inlines = [
          plugins.html.HTMLInline.create(model=models.HTML),
          ContentEditorInline.create(model=models.Download),
      ]
  