Ref leaks on test_import #107471
Description
./python -m test -R : test_import
0:00:00 load avg: 0.27 Run tests sequentially
0:00:00 load avg: 0.27 [1/1] test_import
beginning 9 repetitions
123456789
.........
test_import leaked [60, 60, 60, 60] references, sum=240
test_import leaked [48, 48, 48, 48] memory blocks, sum=192
test_import failed (reference leak)
== Tests result: FAILURE ==
1 test failed:
test_import
Total duration: 14.8 sec
Tests result: FAILURE
tested on heads/main:a24e25d74b
This result is also seen in many build bots,
such as
https://buildbot.python.org/all/#/builders/562/builds/838 https://buildbot.python.org/all/#/builders/123/builds/802 https://buildbot.python.org/all/#/builders/562/builds/838 https://buildbot.python.org/all/#/builders/384/builds/829