fix: get_leaf_nodes KeyError on nodes-less leaf nodes - #453
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clean_node() deletes the `nodes` key entirely from childless nodes during tree cleanup instead of setting it to an empty list, so get_leaf_nodes()'s direct `structure['nodes']` access raised KeyError on any tree produced by the normal pipeline (VectifyAI#330). Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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Pull request overview
Fixes a crash in pageindex.utils.get_leaf_nodes() when leaf nodes have no nodes key (as produced by the normal list_to_tree() cleanup pipeline described in #330).
Changes:
- Update
get_leaf_nodes()to usestructure.get('nodes')instead of directstructure['nodes']access to avoidKeyErroron leaf nodes missing the key. - Add regression tests covering both missing
nodeskeys and explicit emptynodes: []leaf nodes, plus list-of-trees input handling.
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.
| File | Description |
|---|---|
pageindex/utils.py |
Makes leaf detection tolerant of missing nodes keys to prevent KeyError in normal pipeline output. |
tests/test_utils.py |
Adds regression tests ensuring get_leaf_nodes() handles missing/empty nodes and list inputs correctly. |
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clean_node() deletes the
nodeskey entirely from childless nodes during tree cleanup instead of setting it to an empty list, so get_leaf_nodes()'s directstructure['nodes']access raised KeyError on any tree produced by the normal pipeline (#330).