The latest version of PyTorch has deprecated torch.utils._pytree._register_pytree_node in favour of torch.utils._pytree.register_pytree_node, which results in many of the following warnings,
...site-packages/cola/backends/backends.py:75: UserWarning: torch.utils._pytree._register_pytree_node is deprecated. Please use torch.utils._pytree.register_pytree_node instead.
The latest version of PyTorch has deprecated torch.utils._pytree._register_pytree_node in favour of torch.utils._pytree.register_pytree_node, which results in many of the following warnings,
...site-packages/cola/backends/backends.py:75: UserWarning: torch.utils._pytree._register_pytree_node is deprecated. Please use torch.utils._pytree.register_pytree_node instead.