old_contents: from django.contrib import admin
  from tribes.models import Tribe, Topic
  
  class TribeAdmin(admin.ModelAdmin):
      list_display = ('name', 'creator', 'created',)  
  
  class TopicAdmin(admin.ModelAdmin):
      list_display = ('title', )
  
  admin.site.register(Tribe, TribeAdmin)
  admin.site.register(Topic, TopicAdmin)
  
new_contents: from django.contrib import admin
  from tribes.models import Tribe, Topic
  
  class TribeAdmin(admin.ModelAdmin):
      list_display = ('name', 'slug', 'creator', 'created',)  
  
  class TopicAdmin(admin.ModelAdmin):
      list_display = ('title', )
  
  admin.site.register(Tribe, TribeAdmin)
  admin.site.register(Topic, TopicAdmin)
  
subject: include slug in list_display for tribes