text: from django.contrib import admin
  
  from markedit.admin import MarkEditAdmin
  
  from symposion.speakers.models import Speaker
  
  
  class SpeakerAdmin(MarkEditAdmin):
      list_display = ["name", "email", "created", "twitter_username"]
      raw_id_fields = ["user"]
      search_fields = ["name", "twitter_username"]
  
      class MarkEdit:
          fields = ['biography', ]
          options = {
              'preview': 'below'
          }
  
  admin.site.register(Speaker, SpeakerAdmin)
  