old_contents: from appconf import AppConf
  from django.conf import settings
  
  
  class MyAppConf(AppConf):
      DATA_DIR = "./"
      SEPARATOR = "."
      OUTPUT_PREFIX = ""
      OUTPUT_SUFFIX = ".nc"
      CELERY_BROKER_URL = 'amqp://guest:guest@localhost:5672//'
      CELERY_RESULT_BACKEND = 'rpc://'
  
      class Meta:
          prefix = 'dj_experiment'
          holder = 'dj_experiment.conf.settings'
  
new_contents: from appconf import AppConf
  from django.conf import settings
  
  
  class DjExperimentAppConf(AppConf):
      DATA_DIR = "./"
      SEPARATOR = "."
      OUTPUT_PREFIX = ""
      OUTPUT_SUFFIX = ".nc"
      CELERY_BROKER_URL = 'amqp://guest:guest@localhost:5672//'
      CELERY_RESULT_BACKEND = 'rpc://'
  
      class Meta:
          prefix = 'dj_experiment'
          holder = 'dj_experiment.conf.settings'
  
subject: Rename class