old_contents: import os
  basedir = os.path.abspath(os.path.dirname(__file__))
  
  
  class Config(object):
      DEBUG = False
      TESTING = False
      CSRF_ENABLED = True
      SQLALCHEMY_TRACK_MODIFICATIONS = False
      SECRET_KEY = 'this-really-needs-to-be-changed'
      SQLALCHEMY_DATABASE_URI = os.getenv('DATABASE_URL')
      REDIS_URL = os.getenv('REDIS_URL', 'redis://localhost:6379')
  
  
  class ProductionConfig(Config):
      DEBUG = False
  
  
  class StagingConfig(Config):
      DEVELOPMENT = True
      DEBUG = True
  
  
  class DevelopmentConfig(Config):
      DEVELOPMENT = True
      SQLALCHEMY_TRACK_MODIFICATIONS = True
      DEBUG = True
  
  
  class TestingConfig(Config):
      TESTING = True
  
new_contents: import os
  basedir = os.path.abspath(os.path.dirname(__file__))
  
  
  class Config(object):
      DEBUG = False
      TESTING = False
      CSRF_ENABLED = True
      SQLALCHEMY_TRACK_MODIFICATIONS = False
      SECRET_KEY = 'this-really-needs-to-be-changed'
      SQLALCHEMY_DATABASE_URI = os.getenv('DATABASE_URL')
      REDIS_URL = os.getenv('REDIS_URL', 'redis://localhost:6379')
      SCRAPER_BASE_URL = (
          'http://www.mybidmatch.com/go?'
          'sub=7F604A76-0EF9-48F1-A83F-ABC17511B6FC')
  
  
  class ProductionConfig(Config):
      DEBUG = False
  
  
  class StagingConfig(Config):
      DEVELOPMENT = True
      DEBUG = True
  
  
  class DevelopmentConfig(Config):
      DEVELOPMENT = True
      SQLALCHEMY_TRACK_MODIFICATIONS = True
      DEBUG = True
  
  
  class TestingConfig(Config):
      TESTING = True
  
subject: update config