GitLab

* style: Added typing annotations

* style: Fixed typing

* style: Fixed typing

* Remove unnecessary any.

* Update mypy.ini
Co-authored-by: Francisco Massa <fvsmassa@gmail.com>
Co-authored-by: Vasilis Vryniotis <datumbox@users.noreply.github.com>
Co-authored-by: Vasilis Vryniotis <vvryniotis@fb.com>