What's Changed
* Remove py2 from CI and deps by epsy in https://github.com/epsy/sigtools/pull/24
* Drop Python2 compatibility, update copyright notices by epsy in https://github.com/epsy/sigtools/pull/25
* Update sigtools.support.f to use native Python syntax by default by epsy in https://github.com/epsy/sigtools/pull/30
**Full Changelog**: https://github.com/epsy/sigtools/compare/2.0.3...v3.0.0rc2