old_contents: from django.conf import settings
  from django.contrib import admin
  from django.contrib.flatpages.admin import FlatpageForm, FlatPageAdmin
  from django.contrib.flatpages.models import FlatPage
  from django.utils.module_loading import import_string
  
  FLATPAGE_WIDGET = getattr(settings, 'FLATPAGE_WIDGET', 'tinymce.widgets.TinyMCE')
  
  FLATPAGE_WIDGET_KWARGS = getattr(settings, 'FLATPAGE_WIDGET_KWARGS',
                                   {'attrs': {'cols': 100, 'rows': 15}})
  
  
  class PageForm(FlatpageForm):
  
      class Meta:
          model = FlatPage
          widgets = {
              'content': import_string(FLATPAGE_WIDGET)(**FLATPAGE_WIDGET_KWARGS),
          }
  
  
  class PageAdmin(FlatPageAdmin):
      """
      Page Admin
      """
      form = PageForm
  
  admin.site.unregister(FlatPage)
  admin.site.register(FlatPage, PageAdmin)
  
new_contents: from django.conf import settings
  from django.contrib import admin
  from django.contrib.flatpages.admin import FlatpageForm, FlatPageAdmin
  from django.contrib.flatpages.models import FlatPage
  from django.utils.module_loading import import_string
  
  FLATPAGE_WIDGET = getattr(settings, 'FLATPAGE_WIDGET', 'tinymce.widgets.TinyMCE')
  
  FLATPAGE_WIDGET_KWARGS = getattr(settings, 'FLATPAGE_WIDGET_KWARGS',
                                   {'attrs': {'cols': 100, 'rows': 15}})
  
  
  class PageForm(FlatpageForm):
  
      class Meta:
          model = FlatPage
          widgets = {
              'content': import_string(FLATPAGE_WIDGET)(**FLATPAGE_WIDGET_KWARGS),
          }
          fields = '__all__'
  
  
  class PageAdmin(FlatPageAdmin):
      """
      Page Admin
      """
      form = PageForm
  
  admin.site.unregister(FlatPage)
  admin.site.register(FlatPage, PageAdmin)
  
subject: Fix form PageForm needs updating.