What's Changed
* Update lint by yanovs in https://github.com/ansatzcapital/dilib/pull/8
* Modernize update and drop python 3.7 by yanovs in https://github.com/ansatzcapital/dilib/pull/11
* Fix perturb spec bug by yanovs in https://github.com/ansatzcapital/dilib/pull/16
**Full Changelog**: https://github.com/ansatzcapital/dilib/compare/v0.4.3...v0.5.0