* type annotate SegmentRange * proper formatting * oops * numpy? format test too * draft * fixed * clean up * rm * more * clean up * clean up * rm * not here * revert old-commit-hash: 82763710097cbfe629502502163a7d2d6319f3fd
* type annotate SegmentRange * proper formatting * oops * numpy? format test too * draft * fixed * clean up * rm * more * clean up * clean up * rm * not here * revert old-commit-hash: 82763710097cbfe629502502163a7d2d6319f3fd