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Python function

unflatten

unflatten()

max.experimental.tree_utils.unflatten(treedef, leaves)

source

Rebuilds a tree from a structure and its leaves.

The inverse of flatten(), always building a fresh tree.

Parameters:

• treedef (TreeDef) – The structure, as flatten() reported it.
• leaves (Iterable[Any]) – Exactly one value per leaf slot, left to right.

Returns:

The rebuilt tree.

Raises:

• TypeError – If a cycle closes through a node whose class declares no __tree_empty__.
• ValueError – If the leaf count does not match the structure, or if treedef did not come from flatten().

Return type:

Any