sage

3d38254e -

gh-37230: some cython-lint fixes in ecl lib a few details as suggested by `cython-lint` and `pycodestyle` in `libs/ecl.pyx` ### :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/37230 Reported by: Frédéric Chapoton Reviewer(s): David Coudert