linear_expression: cmp -> richcmp #22370
Description
Component: python3
Author: Marc Mezzarobba
Branch/Commit: 918a0cb
Reviewer: Jeroen Demeyer
Issue created by migration from https://trac.sagemath.org/ticket/22370
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Component: python3
Author: Marc Mezzarobba
Branch/Commit: 918a0cb
Reviewer: Jeroen Demeyer
Issue created by migration from https://trac.sagemath.org/ticket/22370