new_contents: from __future__ import absolute_import, unicode_literals
  from celery import shared_task
  import logging
  
  logger = logging.getLogger(__name__)
  
  @shared_task
  def test_task():
      logger.debug("*** test_tak started ***")
      i = 0
      while i < 3:
          i+=1
          logger.debug("*** test_task is running ***")
  
subject: add test task