[3.0.0](https://github.com/proofit404/generics/compare/2.0.0...3.0.0) (2020-11-12)
Build System
* add python 3.9 support [186](https://github.com/proofit404/generics/issues/186) ([70b39dd](https://github.com/proofit404/generics/commit/70b39dd40a3b3c0b2be2e02122aef411c71bf6ae))
BREAKING CHANGES
* drop python 3.6 support.