* Bump pylint from 2.3.1 to 2.4.4

Bumps [pylint](https://github.com/PyCQA/pylint) from 2.3.1 to 2.4.4.
- [Release notes](https://github.com/PyCQA/pylint/releases)
- [Changelog](https://github.com/PyCQA/pylint/blob/master/ChangeLog)
- [Commits](https://github.com/PyCQA/pylint/compare/pylint-2.3.1...pylint-2.4.4

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

* removed explicit astroid dependency

* linting

* more flake8 linting

* explicit pylint dependency

Co-authored-by: Daniel Ecer <de-code@users.noreply.github.com>