Hi! #!/usr/bin/env python import igraph as ig import numpy as np
random = ig.Graph.Erdos_Renyi(100, 0.2) random.vs["owner"] = "random" bara = ig.Graph.Barabasi(100, 2) bara.vs["owner"] = "bara" graphs = [random, bara] graph_union = ig.Graph().disjoint_union( graphs ) print graph_union.vs["owner"] Traceback (most recent call last): File "model.py", line 17, in <module> print graph_union.vs["owner"] KeyError: 'Attribute does not exist' Why graph_union does not have "owner" attribute? Thanks.
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