old_contents: import os
  import seabus
  
  class Config(object):
      DEBUG = False
      TESTING = False
      SQLALCHEMY_DATABASE_URI = 'sqlite://:memory:'
  
  class Dev(Config):
      DEBUG=True
      seabus_project_root = os.path.abspath(os.path.join(os.path.dirname(__file__), os.path.pardir, os.path.pardir))
      SQLALCHEMY_DATABASE_URI = 'sqlite:///{}/db_seabus.db'.format(seabus_project_root)
  
new_contents: import os
  import seabus
  
  class Config(object):
      DEBUG = False
      TESTING = False
      SQLALCHEMY_DATABASE_URI = 'sqlite://:memory:'
  
  class Dev(Config):
      DEBUG=True
      seabus_project_root = os.path.abspath(os.path.join(os.path.dirname(__file__), os.path.pardir, os.path.pardir))
      SQLALCHEMY_DATABASE_URI = 'sqlite:///{}/db_seabus.db'.format(seabus_project_root)
      LISTENER_HOST = '0.0.0.0'
      LISTENER_PORT = 3001
  
  class Prod(Config):
      DEBUG=True
      seabus_project_root = os.path.abspath(os.path.join(os.path.dirname(__file__), os.path.pardir, os.path.pardir))
      SQLALCHEMY_DATABASE_URI = 'sqlite:///{}/db_seabus.db'.format(seabus_project_root)
      LISTENER_HOST = '10.8.0.1'
      LISTENER_PORT = 3000
  
subject: put listener host/port config on flask config object