text: import os
  
  class Config(object):
      DEBUG = False
      # If using a DB do something like this:
      # SQLALCHEMY_DATABASE_URI = os.environ.get('DATABASE_URL', 'sqlite:///notforprod.db')
      # if using WTF forms you'll want some thing like this below
      # CSRF_ENABLED = True
      # CSRF_SESSION_KEY = os.environ.get('SESSION_KEY')
  
  class DevelopmentConfig(Config):
      DEBUG = True
  
  class TestConfig(DevelopmentConfig):
      DEBUG = True
      TESTING = True
      WTF_CSRF_ENABLED = False
      SQLALCHEMY_DATABASE_URI = 'sqlite:///:memory:test.db'
  