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protect in case of empty edge set in level2_chunk_graph #489

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merged 1 commit into from
Mar 11, 2024
Merged

protect in case of empty edge set in level2_chunk_graph #489

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5 changes: 5 additions & 0 deletions pychunkedgraph/graph/analysis/pathing.py
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Original file line number Diff line number Diff line change
Expand Up @@ -115,6 +115,11 @@ def _get_edges_for_lvl2_ids(cg, lvl2_ids, induced=False):
for l2_id in cce_dict:
for level in cce_dict[l2_id]:
edge_array.append(cce_dict[l2_id][level])

# protect in case there are no edges
if len(edge_array) == 0:
return np.empty((0, 2), dtype=np.uint64)

edge_array = np.concatenate(edge_array)
known_supervoxels_list = []
known_l2_list = []
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