Example: ``` $ ./python -m test -R 3:3 test_datetime -m test.datetimetester.TestDateTime_Pure.test_compat_unpickle (...) test_datetime leaked [8, 8, 8] references, sum=24 test_datetime leaked [8, 8, 8] memory blocks, sum=24 ``` Regression: commit 3e8b60905e97a4fe89bb24180063732214368938 ``` commit 3e8b60905e97a4fe89bb24180063732214368938 Author: Erlend E. Aasland <erlend@python.org> Date: Tue May 28 00:02:46 2024 +0200 gh-117398: Add multiphase support to _datetime (gh-119373) This is minimal support. Subinterpreters are not supported yet. That will be addressed in a later change. Co-authored-by: Eric Snow <ericsnowcurrently@gmail.com> Lib/test/datetimetester.py | 21 +++++++++++++++++++++ Modules/_datetimemodule.c | 26 +++++++++++--------------- 2 files changed, 32 insertions(+), 15 deletions(-) ``` cc @erlend-aasland @ericsnowcurrently <!-- gh-linked-prs --> ### Linked PRs * gh-119713 <!-- /gh-linked-prs -->