def setup()

in flows.py [0:0]


    def setup(self):
        self.transforms = []
        for i in range(self.n_transforms):
            mod = hydra.utils.instantiate(
                self.single_transform_cfg,
                manifold=self.manifold
            )
            self.transforms.append(mod)

            # hack for https://github.com/google/flax/issues/524
            key = f'transform{i:02d}'
            setattr(self, key, mod)