def _HandleShutdown():


  logging.info('Shutdown request received.')
  runtime.__BeginShutdown()
the deferred messages in the queue
dataset/ETHPy150Open GoogleCloudPlatform/python-compat-runtime/appengine-compat/exported_appengine_sdk/google/appengine/ext/vmruntime/meta_app.py/_HandleShutdown--crossover with--dataset/ETHPy150Open brosner/django-mailer/mailer/models.py/MessageManager.deferred