      }
  
      # Display the confirmation page
      return TemplateResponse(request, modeladmin.delete_selected_confirmation_template or [
          "admin/%s/%s/delete_selected_confirmation.html" % (app_label, opts.object_name.lower()),
          "admin/%s/delete_selected_confirmation.html" % app_label,
          "admin/delete_selected_confirmation.html"
      ], context, current_app=modeladmin.admin_site.name)
  
  delete_selected.short_description = ugettext_lazy("Delete selected %(verbose_name_plural)s")
 
</s> remove             'admin/%s/%s/change_list.html' % (app_label, opts.object_name.lower()),
 </s> add             'admin/%s/%s/change_list.html' % (app_label, opts.model_name), </s> remove             "admin/%s/%s/object_history.html" % (app_label, opts.object_name.lower()),
 </s> add             "admin/%s/%s/object_history.html" % (app_label, opts.model_name), </s> remove             "admin/%s/%s/delete_confirmation.html" % (app_label, opts.object_name.lower()),
 </s> add             "admin/%s/%s/delete_confirmation.html" % (app_label, opts.model_name), </s> remove             "admin/%s/%s/change_form.html" % (app_label, opts.object_name.lower()),
 </s> add             "admin/%s/%s/change_form.html" % (app_label, opts.model_name), </s> remove                     info = (app_label, model._meta.module_name)
 </s> add                     info = (app_label, model._meta.model_name)
        "admin/%s/%s/delete_selected_confirmation.html" % (app_label, opts.model_name),
      }
  
      # Display the confirmation page
      return TemplateResponse(request, modeladmin.delete_selected_confirmation_template or [
        "admin/%s/%s/delete_selected_confirmation.html" % (app_label, opts.model_name),
          "admin/%s/delete_selected_confirmation.html" % app_label,
          "admin/delete_selected_confirmation.html"
      ], context, current_app=modeladmin.admin_site.name)
  
  delete_selected.short_description = ugettext_lazy("Delete selected %(verbose_name_plural)s")
keep keep keep keep replace keep keep keep keep keep
 Fixed #19689 -- Renamed `Model._meta.module_name` to `model_name`. 
django/contrib/admin/actions.py