Author here! I didn't know PyTorch had its own pytree system. It looks like it's separate from JAX's pytree registry, though, so Penzai's tooling probably won't

Author here! I didn't know PyTorch had its own pytree system. It looks like it's separate from JAX's pytree registry, though, so Penzai's tooling probably won't work with PyTorch out of the box.