- update to 2.2.1: * Use `pyproject.toml` rather than `setup.py`. * Switch from `setuptools` to `hatchling`. * Drop python 3.7 support. * Fix error message. OBS-URL: https://build.opensuse.org/request/show/1131185 OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/python-flake8-deprecated?expand=0&rev=4