[issue30599] test_threaded_import leaks references

[STINNER Victor]

STINNER Victor added the comment:

Even when the two latest refleak fixes (ab1cb80b435a34e4f908c97cd2f3a7fe8add6505 and 865de27dd79571a4a5c7a7d22a07fb909c4a9f8e), test_threaded_import still leaks.

haypo at selma$ ./python -m test -R 3:3 -m test_side_effect_import test_threaded_import  
Run tests sequentially
0:00:00 load avg: 0.39 [1/1] test_threaded_import
beginning 6 repetitions
123456
......
test_threaded_import leaked [1374, 1374, 1374] references, sum=4122
test_threaded_import leaked [459, 460, 460] memory blocks, sum=1379
test_threaded_import failed

1 test failed:
    test_threaded_import

Total duration: 392 ms
Tests result: FAILURE

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue30599>
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