`CONTRIBUTING.md` −> `doc/development.md` - Install with `poetry` - Code formatting with `black`, [pre-commit usage](https://git.duniter.org/clients/python/silkaj/merge_requests/76) - dependency import with `flake8` (add it as a dependency). - `DuniterPy` editable - `dev` branch - [x] Rework `release_packages_on_pypi-fr.md` in English and transfert to `contributing.md` - …