sage

f66d283d - gh-36746: pep8 in various interfaces

gh-36746: pep8 in various interfaces pep8 clean in several files in `interfaces` ### :memo: Checklist - [x] The title is concise, informative, and self-explanatory. - [x] The description explains in detail what this PR is about. URL: https://github.com/sagemath/sage/pull/36746 Reported by: Frédéric Chapoton Reviewer(s): Matthias Köppe