1669
1672
([('parent-one',)], [('parent-one',)]))])
1670
1673
combined = CombinedGraphIndex([graph_index_a, graph_index_b])
1671
1674
index = _KnitGraphIndex(combined, lambda: True)
1673
1675
index._scan_unvalidated_index(graph_index_a)
1674
1676
index._scan_unvalidated_index(graph_index_b)