[3.9] bpo-44856: Possible reference leak in error paths of update_bases() and __build_class__ (GH-27647)#27651

ambv merged 1 commit into

python:3.9python/cpython:3.9from

miss-islington:backport-a40675c-3.9miss-islington/cpython:backport-a40675c-3.9Copy head branch name to clipboard