- [x] Revert https://github.com/astropy/astropy/pull/15940 - Also see https://github.com/astropy/astropy/pull/15942 https://github.com/astropy/astropy/blob/71061de8a5a84b8b31faf7c55d30ff65ebc77e8e/tox.ini#L67-L68 ### Blocked by - https://github.com/matplotlib/pytest-mpl/issues/216