old_contents: __version__ = '0.1'
  
  class Config(object):
      #SLACK_URL = ''
      DEBUG = True
      LISTEN_PORT = 5005
      ETCD_HOST = 'localhost'
      ETCD_PORT = 4001
  
new_contents: __version__ = '0.1'
  
  class Config(object):
      #SLACK_URL = ''
      DEBUG = True
      ETCD_HOST = 'localhost'
      ETCD_PORT = 4001
  
subject: remove listen port from config