gh-90172: add test for functools.singledispatch on Union types with None type (#92174)

Signed-off-by: prwatson <prwatson@redhat.com>

Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>

Thaddeus1499 committed 4y ago

f03d3dd9afd5a2df8ffb6db80c0bb45f2d8909f5

Parent: ff3e9cd

Committed by GitHub <noreply@github.com> on 5/3/2022, 7:17:43 PM