What's Changed
* hotfix: lossen opencv version requirements by lamhoangtung in https://github.com/Techainer/mlchain-python/pull/51
* Bump mlchain version to 0.2.7 by lamhoangtung in https://github.com/Techainer/mlchain-python/pull/52
**Full Changelog**: https://github.com/Techainer/mlchain-python/compare/0.2.6...0.2.7