def __init__(self, folder="db"):
        '''
            Constructor
        '''
        self.gmail_API_KEY = os.environ['gmail_API_KEY']

        init_DB_session(self, folder)
    def __init__(self, folder="db"):
        '''
            Constructor
        '''

        if not os.path.exists(folder):
            os.mkdir(folder)

        init_DB_session(self, folder)

        self.db_users_manager = UsersController(folder)
        self.db_games_manager = GamesController(folder)