fix issue #38832 about canonical_label in bipartite graphs
#38842
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sagemathgh-38842: fix issue sagemath#38832 about `canonical_label` in bipartite graphs Fixes sagemath#38832. We fix call to `canonical_label` on `BipartiteGraph` when parameter `partition` is `None`. ```py sage: G = BipartiteGraph(matrix([[1, 1], [1, 1]])) sage: C = G.canonical_label() sage: C.left, C.right ({0, 1}, {2, 3}) ``` ### 📝 Checklist <!-- Put an `x` in all the boxes that apply. --> - [x] The title is concise and informative. - [x] The description explains in detail what this PR is about. - [x] I have linked a relevant issue or discussion. - [x] I have created tests covering the changes. - [x] I have updated the documentation and checked the documentation preview. ### ⌛ Dependencies <!-- List all open PRs that this PR logically depends on. For example, --> <!-- - sagemath#12345: short description why this is a dependency --> <!-- - sagemath#34567: ... --> URL: sagemath#38842 Reported by: David Coudert Reviewer(s): Kwankyu Lee
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Fixes #38832.
We fix call to
canonical_labelonBipartiteGraphwhen parameterpartitionisNone.📝 Checklist
⌛ Dependencies