new_contents: import os
  basedir = os.path.abspath(os.path.dirname(__file__))
  
  class Config:
  	SECRET_KEY = os.environ.get('SECRET_KEY') or 'lkkjuy6786764565wsrguijopo090788676tgjhyijkhjohk'
  	SQLALCHEMY_COMMIT_ON_TEARDOWN = True
  	SQLALCHEMY_TRACK_MODIFICATIONS = True
  	FLASKY_ADMIN = os.environ.get('TWEZANA_ADMIN')
  
  	@staticmethod
  	def init_app(app):
  		pass
  		
  class DevelopmentConfig(Config):
      DEBUG = True
      MAIL_SERVER = 'smtp.googlemail.com'
      MAIL_PORT = 587
      MAIL_USE_TLS = True
      MAIL_USERNAME = os.environ.get('MAIL_USERNAME')
      MAIL_PASSWORD = os.environ.get('MAIL_PASSWORD')
      SQLALCHEMY_DATABASE_URI = os.environ.get('DEV_DATABASE_URL') or 'sqlite:///' + os.path.join(basedir, 'data-dev.sqlite')
  
  config = 	{
  				'default': DevelopmentConfig
  			}
subject: update a set of configurations