old_contents: """Views for the cmsplugin_zinnia demo"""
  from django.conf import settings
  from django.template import loader
  from django.template import Context
  from django.http import HttpResponseServerError
  
  
  def server_error(request, template_name='500.html'):
      """
      500 error handler.
      Templates: `500.html`
      Context:
      STATIC_URL
        Path of static media (e.g. "media.example.org")
      """
      t = loader.get_template(template_name)
      return HttpResponseServerError(
          t.render(Context({'STATIC_URL': settings.STATIC_URL})))
  
new_contents: """Views for the cmsplugin_zinnia demo"""
  from django.template import loader
  from django.http import HttpResponseServerError
  
  from sekizai.context import SekizaiContext
  
  
  def server_error(request, template_name='500.html'):
      """
      500 error handler.
      Return a SekizaiContext to avoid another 500 error.
      """
      t = loader.get_template(template_name)
      return HttpResponseServerError(
          t.render(SekizaiContext()))
  
subject: Fix the handler500 view