old_contents: from django.conf import settings
  from django.http import HttpResponse
  from django.utils.importlib import import_module
  
  def warmup(request):
      """
      Provides default procedure for handling warmup requests on App Engine.
      Just add this view to your main urls.py.
      """
      for app in settings.INSTALLED_APPS:
          for name in ('urls', 'views'):
              try:
                  import_module('%s.%s' % (app, name))
              except ImportError:
                  pass
      content_type = 'text/plain; charset=%s' % settings.DEFAULT_CHARSET
      return HttpResponse('Warmup done', content_type=content_type)
  
new_contents: from django.conf import settings
  from django.http import HttpResponse
  from django.utils.importlib import import_module
  
  def warmup(request):
      """
      Provides default procedure for handling warmup requests on App Engine.
      Just add this view to your main urls.py.
      """
      for app in settings.INSTALLED_APPS:
          for name in ('urls', 'views', 'models'):
              try:
                  import_module('%s.%s' % (app, name))
              except ImportError:
                  pass
      content_type = 'text/plain; charset=%s' % settings.DEFAULT_CHARSET
      return HttpResponse('Warmup done', content_type=content_type)
  
subject: Expand pre loading on warmup