old_contents: """
  Methods for interfacing with the Celery task queue management library.
  """
  
  from errno import errorcode
  
  from celery.task.control import inspect
  
  
  CELERY_ERROR_KEY = 'ERROR'
  
  def get_celery_worker_status():
      """Checks whether celery is running and reports the error if not.
  
      Source: http://stackoverflow.com/questions/8506914/detect-whether-celery-is-available-running
      """
      try:
          insp = inspect()
          d = insp.stats()
          if not d:
              d = { CELERY_ERROR_KEY: 'No running Celery workers were found.' }
      except IOError as e:
          msg = "Error connecting to the backend: " + str(e)
          if len(e.args) > 0 and errorcode.get(e.args[0]) == 'ECONNREFUSED':
              msg += ' Check that the RabbitMQ server is running.'
          d = { CELERY_ERROR_KEY: msg }
      except ImportError as e:
          d = { CELERY_ERROR_KEY: str(e)}
      return d
  
new_contents: """
  Methods for interfacing with the Celery task queue management library.
  """
  
  from errno import errorcode
  
  from celery.task.control import inspect
  from django.conf import settings
  
  
  CELERY_ERROR_KEY = 'ERROR'
  
  def get_celery_worker_status():
      """Checks whether celery is running and reports the error if not.
  
      Source: http://stackoverflow.com/questions/8506914/detect-whether-celery-is-available-running
      """
      if settings.BROKER_BACKEND == 'memory':
          # We are testing with in-memory celery. Celery is effectively running.
          return {}
  
      try:
          insp = inspect()
          d = insp.stats()
          if not d:
              d = { CELERY_ERROR_KEY: 'No running Celery workers were found.' }
      except IOError as e:
          msg = "Error connecting to the backend: " + str(e)
          if len(e.args) > 0 and errorcode.get(e.args[0]) == 'ECONNREFUSED':
              msg += ' Check that the RabbitMQ server is running.'
          d = { CELERY_ERROR_KEY: msg }
      except ImportError as e:
          d = { CELERY_ERROR_KEY: str(e)}
      return d
  
subject: Fix tests: Allow for celery not to be running when doing in-memory celery for tests.