def __create_bootstrap(self, main_root):
		bootstrap_dir = os.path.join(main_root, 'bootstrap')
		safe_mkdir(bootstrap_dir)

		bootstrap = self.__config_mgr.bootstrap()
		self.__bootstrap_mgr.create_bootstrap(bootstrap, bootstrap_dir)
def __init__(self, root, transforms=None):

        super().__init__(root=root)
        self.transforms = transforms

        self._flow_list = []
        self._image_list = []