old_contents: from celery import Celery
  
  from allsky import single_image_raspistill
  
  celery = Celery('tasks', broker='redis://localhost:6379/0', backend='redis://localhost:6379/0')
  
  @celery.task
  def background_task():
      # some long running task here (this simple example has no output)
      pid = single_image_raspistill(filename='static/snap.jpg')
  
new_contents: from celery import Celery
  
  from allsky import single_image_raspistill
  
  celery = Celery('tasks', broker='redis://localhost:6379/0', backend='redis://localhost:6379/0')
  
  @celery.task
  def background_task():
      # some long running task here (this simple example has no output)
      pid = single_image_raspistill(filename='static/snap.jpg', exp=120000000)
  
subject: Set a higher default for darks