old_contents: import os
  
  
  class Config(object):
      """
      The shared configuration settings for the flask app.
      """
      # Service settings
      PROJECT_ROOT = os.path.abspath(os.path.join(os.path.dirname(__file__)))
      SERVICE_ONTOLOGY = PROJECT_ROOT + '/sris/config/ontology.json'
  
      # Database settings
      CLIENT_NAME = 'client'
      SERVICE_NAME = 'service'
  
      # These need to be set by you!
      ACCOUNT_SID = os.environ.get('ACCOUNT_SID',
                                   'ACe5aeca75999845ce0130f7176cae9e6d')
      AUTH_TOKEN = os.environ.get('AUTH_TOKEN',
                                  '905ec14da5a8c4a121b88ec0dbbf6bb3')
      NUM = os.environ.get('NUM', '+441508292049')
  
  
  class ProdConfig(Config):
      """
      Setup the production configuration for the flask app.
  
      Args:
          Config (object): Inherit the default shared configuration settings.
      """
      DEBUG = False
      # These are set server-side for ease-of-use when using PaaS.
      SQLALCHEMY_BINDS = {
          Config.CLIENT_NAME: os.environ.get('CLIENT_DATABASE_URL', None),
          Config.SERVICE_NAME: os.environ.get('SERVICE_DATABASE_URL', None)
      }
  
  
  class DevConfig(Config):
      """
      Setup the development configuration for the flask app.
  
      Args:
          Config (object): Inherit the default shared configuration settings.
      """
      DEBUG = True
      # Store these in the root directly.
      CLIENT_DB = os.path.join(Config.PROJECT_ROOT, Config.CLIENT_NAME + '.db')
      SERVICE_DB = os.path.join(Config.PROJECT_ROOT, Config.SERVICE_NAME + '.db')
      # Support for multiple databases (client & service)
      SQLALCHEMY_BINDS = {
          Config.CLIENT_NAME: 'sqlite:///{0}'.format(CLIENT_DB),
          Config.SERVICE_NAME: 'sqlite:///{0}'.format(SERVICE_DB)
      }
  
new_contents: import os
  
  
  class Config(object):
      """
      The shared configuration settings for the flask app.
      """
      # Service settings
      PROJECT_ROOT = os.path.abspath(os.path.join(os.path.dirname(__file__)))
      SERVICE_ONTOLOGY = PROJECT_ROOT + '/sris/config/ontology.json'
  
      # Database settings
      CLIENT_NAME = 'client'
      SERVICE_NAME = 'service'
  
      # These need to be set by you!
      ACCOUNT_SID = os.environ.get('ACCOUNT_SID', None)
      AUTH_TOKEN = os.environ.get('AUTH_TOKEN', None)
      NUM = os.environ.get('NUM', None)
  
  
  class ProdConfig(Config):
      """
      Setup the production configuration for the flask app.
  
      Args:
          Config (object): Inherit the default shared configuration settings.
      """
      DEBUG = False
      # These are set server-side for ease-of-use when using PaaS.
      SQLALCHEMY_BINDS = {
          Config.CLIENT_NAME: os.environ.get('CLIENT_DATABASE_URL', None),
          Config.SERVICE_NAME: os.environ.get('SERVICE_DATABASE_URL', None)
      }
  
  
  class DevConfig(Config):
      """
      Setup the development configuration for the flask app.
  
      Args:
          Config (object): Inherit the default shared configuration settings.
      """
      DEBUG = True
      # Store these in the root directly.
      CLIENT_DB = os.path.join(Config.PROJECT_ROOT, Config.CLIENT_NAME + '.db')
      SERVICE_DB = os.path.join(Config.PROJECT_ROOT, Config.SERVICE_NAME + '.db')
      # Support for multiple databases (client & service)
      SQLALCHEMY_BINDS = {
          Config.CLIENT_NAME: 'sqlite:///{0}'.format(CLIENT_DB),
          Config.SERVICE_NAME: 'sqlite:///{0}'.format(SERVICE_DB)
      }
  
subject: Remove settings which should be set in ENV