old_contents: from django.contrib import admin
  
  from .models import WebMentionResponse
  
  
  class WebMentionResponseAdmin(admin.ModelAdmin):
      model = WebMentionResponse
  
      fields = [
          ("source_for_admin", "response_to_for_admin"),
          "response_body",
          ("date_created", "date_modified"),
          ("reviewed", "current"),
      ]
  
      readonly_fields = [
          "response_body",
          "source_for_admin",
          "response_to_for_admin",
          "date_created",
          "date_modified",
          "current",
      ]
  
      list_display = [
          "pk",
          "source_for_admin",
          "response_to_for_admin",
          "date_created",
          "date_modified",
          "reviewed",
          "current",
      ]
  
      list_editable = ["reviewed"]
  
      list_filter = ["reviewed", "current"]
  
      date_hierarchy = "date_modified"
  
  
  admin.site.register(WebMentionResponse, WebMentionResponseAdmin)
  
new_contents: from django.contrib import admin
  from django.utils.html import format_html
  
  from .models import WebMentionResponse
  
  
  class WebMentionResponseAdmin(admin.ModelAdmin):
      model = WebMentionResponse
  
      fields = [
          ("source_for_admin", "response_to_for_admin"),
          "response_body",
          ("date_created", "date_modified"),
          ("reviewed", "current"),
      ]
  
      readonly_fields = [
          "response_body",
          "source_for_admin",
          "response_to_for_admin",
          "date_created",
          "date_modified",
          "current",
      ]
  
      list_display = [
          "pk",
          "source_for_admin",
          "response_to_for_admin",
          "date_created",
          "date_modified",
          "reviewed",
          "current",
      ]
  
      list_editable = ["reviewed"]
  
      list_filter = ["reviewed", "current"]
  
      date_hierarchy = "date_modified"
  
  
  admin.site.register(WebMentionResponse, WebMentionResponseAdmin)
  
subject: Fix missing import