        expected_metadata = OrderedDict({FLAMBE_DIRECTORIES_KEY: set(['', 'model', 'model.leaf']), 'keep_vars': False, '': {VERSION_KEY: '0.0.0', FLAMBE_CLASS_KEY: 'RootTorch', FLAMBE_SOURCE_KEY: root_source_code, FLAMBE_CONFIG_KEY: "!RootTorch\nx: 1\n"},
