Write a Python generator function called tree leaves that performs a depth-first traversal of a tree…

Write a Python generator function called tree leaves that performs a depth-first traversal of a tree…: a task in repo2rlenv-r2e (Harbor dataset). Function signature: def tree leaves(root, follow=is seqcont, children=iter):

The task

Function signature: ``` def tree_leaves(root, follow=is_seqcont, children=iter): ```

Part of FineEnvs/repo2rlenv-r2e.