old_contents: from django.contrib import admin
  from chatterbot.ext.django_chatterbot.models import Statement, Response, Conversation, Tag
  
  
  class StatementAdmin(admin.ModelAdmin):
      list_display = ('text', 'created_at', )
      list_filter = ('text', 'created_at', )
      search_fields = ('text', )
  
  
  class ResponseAdmin(admin.ModelAdmin):
      list_display = ('statement', 'response', 'occurrence', )
      search_fields = ['statement__text', 'response__text']
  
  
  class ConversationAdmin(admin.ModelAdmin):
      list_display = ('id', )
  
  
  class TagAdmin(admin.ModelAdmin):
      list_display = ('name', )
      list_filter = ('name', )
      search_fields = ('name', )
  
  
  admin.site.register(Statement, StatementAdmin)
  admin.site.register(Response, ResponseAdmin)
  admin.site.register(Conversation, ConversationAdmin)
  admin.site.register(Tag, TagAdmin)
  
new_contents: from django.contrib import admin
  from chatterbot.ext.django_chatterbot.models import (
      Statement, Response, Conversation, Tag
  )
  
  
  class StatementAdmin(admin.ModelAdmin):
      list_display = ('text', )
      list_filter = ('text', )
      search_fields = ('text', )
  
  
  class ResponseAdmin(admin.ModelAdmin):
      list_display = ('statement', 'response', 'occurrence', )
      search_fields = ['statement__text', 'response__text']
  
  
  class ConversationAdmin(admin.ModelAdmin):
      list_display = ('id', )
  
  
  class TagAdmin(admin.ModelAdmin):
      list_display = ('name', )
      list_filter = ('name', )
      search_fields = ('name', )
  
  
  admin.site.register(Statement, StatementAdmin)
  admin.site.register(Response, ResponseAdmin)
  admin.site.register(Conversation, ConversationAdmin)
  admin.site.register(Tag, TagAdmin)
  
subject: Revert "Add creation time to Django admin"