<div id="comment:0"></div> using the short syntax `super()` Component: **refactoring** Author: **Frédéric Chapoton** Branch/Commit: **[`ece5a61`](https://github.com/sagemath/sagetrac-mirror/commit/ece5a612947e211628a6b0996d8c59da5977cd3a)** Reviewer: **Travis Scrimshaw** _Issue created by migration from https://trac.sagemath.org/ticket/33985_