bpo-44524: Fix cryptic TypeError message when trying to subclass special forms in `typing` (GH-27710)
This was a Python 3.9 regression.
Y
Yurii Karabas committed
a3a4d20d6798aa2975428d51f3a4f890248810cb
Parent: 6fb62b4
Committed by GitHub <noreply@github.com>
on 8/18/2021, 7:08:32 PM