What's Changed
* Fix typing of `keep_conditions` and `remove_conditions` by ryokan0123 in https://github.com/sbintuitions/flexeval/pull/70
* Add `data_range` to datasets by ryokan0123 in https://github.com/sbintuitions/flexeval/pull/71
**Full Changelog**: https://github.com/sbintuitions/flexeval/compare/v0.6.5...v0.6.6