bpo-44646: Fix the hash of the union type. (#27179)

It no longer depends on the order of arguments.
hash(int | str) == hash(str | int)

Co-authored-by: Jack DeVries <58614260+jdevries3133@users.noreply.github.com>

Serhiy Storchaka committed 4y ago

aeaa553d650786afc6e68df1f4813ae1a5b71d05

Parent: 919ad53

Committed by GitHub <noreply@github.com> on 7/16/2021, 8:34:56 AM