Commit 2ee3e527 authored by Tiago Peixoto's avatar Tiago Peixoto
Browse files

graph_union(): Ensure property map ownership

This fixes issue #416
parent 405e8c87
......@@ -1297,8 +1297,12 @@ def graph_union(g1, g2, intersection=None, props=None, include=False,
for p1, p2 in props:
if p1 is None:
p1 = g1.new_property(p2.key_type(), p2.value_type())
p1 = u1.own_property(p1)
if p2 is None:
p2 = g2.new_property(p1.key_type(), p1.value_type())
p2 = u2.own_property(p2)
if not include:
p1 = g1.copy_property(p1)
if p2.value_type() != p1.value_type():
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