Pixelsparser

- Minor code changes to comply with flake8
- Unit tests implemented (won't affect release)

What's Changed
* Created tests by pTinosq in https://github.com/pTinosq/pixelsparser/pull/3


**Full Changelog**: https://github.com/pTinosq/pixelsparser/compare/v2.0.0...v2.0.1

What's Changed
* 1 migration to pixels v1.0.0 by pTinosq in https://github.com/pTinosq/pixelsparser/pull/2

New Contributors
* pTinosq made their first contribution in https://github.com/pTinosq/pixelsparser/pull/2

**Full Changelog**: https://github.com/pTinosq/pixelsparser/commits/v2.0.0