old_contents: import os
  from datetime import datetime
  
  LOG_DIR = '/var/log/graphite'
  if os.getenv("CARBONLINK_HOSTS"):
      CARBONLINK_HOSTS = os.getenv("CARBONLINK_HOSTS").split(',')
  
  if os.getenv("CLUSTER_SERVERS"):
      CLUSTER_SERVERS = os.getenv("CLUSTER_SERVERS").split(',')
  
  if os.getenv("MEMCACHE_HOSTS"):
      CLUSTER_SERVERS = os.getenv("MEMCACHE_HOSTS").split(',')
  
  if os.getenv("WHISPER_DIR"):
      WHISPER_DIR = os.getenv("WHISPER_DIR")
  
  SECRET_KEY = str(datetime.now())
  
new_contents: import os
  from datetime import datetime
  
  LOG_DIR = '/var/log/graphite'
  if os.getenv("CARBONLINK_HOSTS"):
      CARBONLINK_HOSTS = os.getenv("CARBONLINK_HOSTS").split(',')
  
  if os.getenv("CLUSTER_SERVERS"):
      CLUSTER_SERVERS = os.getenv("CLUSTER_SERVERS").split(',')
  
  if os.getenv("MEMCACHE_HOSTS"):
      MEMCACHE_HOSTS = os.getenv("MEMCACHE_HOSTS").split(',')
  
  if os.getenv("WHISPER_DIR"):
      WHISPER_DIR = os.getenv("WHISPER_DIR")
  
  SECRET_KEY = str(datetime.now())
  
subject: Fix memcache hosts setting from env