#19193: is_planar() tries to mutate an immutable graph
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Reporter: jmantysalo | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.9
Component: graph theory | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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{{{
sage: Posets.ChainPoset(2).cover_relations_graph().is_planar()
True
sage: Posets.BooleanLattice(3).cover_relations_graph().is_planar()
. . . ValueError: To relabel an immutable graph use inplace=False
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/19193>
Sage <http://www.sagemath.org>
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