old_contents: graphite_url = 'http://graphite.intra.douban.com'
  graphite_index_url = graphite_url + '/metrics/index_all.json'
  graph_height = {
      'iostat' : 800,
      'network' : 500,
  }
  metrics_file = 'metrics.json'
  debug = True
  listen_host = '0.0.0.0'
  listen_port = 8808
  try:
      from local_config import *
  except:
      pass
  
new_contents: graphite_url = 'http://graphite.intra.douban.com'
  graphite_index_url = graphite_url + '/metrics/index.json'
  graph_height = {
      'iostat' : 800,
      'network' : 500,
  }
  metrics_file = 'metrics.json'
  debug = False
  listen_host = '0.0.0.0'
  listen_port = 8808
  try:
      from local_config import *
  except:
      pass
  
subject: fix config