https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1040316
Just encountered the same issue when doing a daily system upgrade
Cofirmed here.
Packages
libpython3-stdlib=3.11.4-2 python3-minimal=3.11.4-2 python3=3.11.4-2
from experimental repo are installable.
[SOLVED] Installable again with new release 3.11.4-4
Installed release 3.11.4-4 without any problems.
edlin