* Fix flake8 errors

* flake8: ignore E203

* flake8: 119 cols for now

* black

* fix comment style

* exclude cmake.py

* clang-format: sort include

Co-authored-by: Guilhem Saurel <guilhem.saurel@laas.fr>

for more information, see https://pre-commit.ci

* show correct return_value_policy to use

isolates problem with conversion

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* test fails, problem in stride ? only first column modified

run `pre-commit run -a`