Drop Python 3.9 support too while we're at it (enabling `|` for union types) _Originally posted by @norabelrose in https://github.com/AlignmentResearch/tuned-lens/issues/125#issuecomment-1968239228_
Drop Python 3.9 support too while we're at it (enabling
|for union types)Originally posted by @norabelrose in #125 (comment)