commits: 218ea21d79b5eaf04c982c235deb437a529bf35a

This data as json

sha	message	author_date	committer_date	raw_author	raw_committer	repo	author	committer
218ea21d79b5eaf04c982c235deb437a529bf35a	improve typing of DataArray and Dataset reductions (#6746) * improve typing of DataArray and Dataset reductions * fix some mypy errors * import Self from xarray.core.types * fix typing errors * fix remaining mypy error * fix some typing issues * add whats-new * re-add type ignore --------- Co-authored-by: Michael Niklas <mick.niklas@gmail.com>	2023-09-14T12:13:57Z	2023-09-14T12:13:57Z	cc7662c9df46dd98418b6e9f340bb630c1c90ce0	cd792325681cbad9f663f2879d8b69f1edbb678f	13221727	32801740	19864447