old_contents: from django.contrib import admin
  from django.utils.translation import ugettext_lazy as _
  
  from reviewboard.attachments.models import FileAttachment
  from reviewboard.reviews.models import FileAttachmentComment
  
  
  class FileAttachmentAdmin(admin.ModelAdmin):
      list_display = ('file', 'caption', 'mimetype',
                      'review_request_id')
      list_display_links = ('file_attachment', 'caption')
      search_fields = ('caption', 'mimetype')
  
      def review_request_id(self, obj):
          return obj.review_request.get().id
      review_request_id.short_description = _('Review request ID')
  
  
  class FileAttachmentCommentAdmin(admin.ModelAdmin):
      list_display = ('text', 'file_attachment', 'review_request_id', 'timestamp')
      list_filter = ('timestamp',)
      search_fields = ('caption', 'file_attachment')
      raw_id_fields = ('file', 'reply_to')
  
      def review_request_id(self, obj):
          return obj.review.get().review_request.id
      review_request_id.short_description = _('Review request ID')
  
  
  admin.site.register(FileAttachment, FileAttachmentAdmin)
  admin.site.register(FileAttachmentComment, FileAttachmentCommentAdmin)
  
new_contents: from django.contrib import admin
  from django.utils.translation import ugettext_lazy as _
  
  from reviewboard.attachments.models import FileAttachment
  from reviewboard.reviews.models import FileAttachmentComment
  
  
  class FileAttachmentAdmin(admin.ModelAdmin):
      list_display = ('file', 'caption', 'mimetype',
                      'review_request_id')
      list_display_links = ('file_attachment', 'caption')
      search_fields = ('caption', 'mimetype')
  
      def review_request_id(self, obj):
          return obj.review_request.get().id
      review_request_id.short_description = _('Review request ID')
  
  
  class FileAttachmentCommentAdmin(admin.ModelAdmin):
      list_display = ('text', 'file_attachment', 'review_request_id', 'timestamp')
      list_filter = ('timestamp',)
      search_fields = ('caption', 'file_attachment')
      raw_id_fields = ('file_attachment', 'reply_to')
  
      def review_request_id(self, obj):
          return obj.review.get().review_request.id
      review_request_id.short_description = _('Review request ID')
  
  
  admin.site.register(FileAttachment, FileAttachmentAdmin)
  admin.site.register(FileAttachmentComment, FileAttachmentCommentAdmin)
  
subject: Fix another broken file attachment field.