``test_import`` leaks references

[Eclips4]

Bug report

Bug description:

clips4@nixos ~/p/p/cpython (main) [2]> ./python -m test -R 3:3 test_import
Using random seed: 4113035587
0:00:00 load avg: 2.84 Run 1 test sequentially in a single process
0:00:00 load avg: 2.84 [1/1] test_import
beginning 6 repetitions. Showing number of leaks (. for 0 or less, X for 10 or more)
123:456
XXX XXX
test_import leaked [52, 54, 51] references, sum=157
test_import leaked [34, 34, 33] memory blocks, sum=101
test_import failed (reference leak)

== Tests result: FAILURE ==

1 test failed:
 test_import

Total duration: 29.2 sec
Total tests: run=116 skipped=3
Total test files: run=1/1 failed=1
Result: FAILURE

CPython versions tested on:

CPython main branch

Operating systems tested on:

Linux

[Eclips4]

Bisected to 023b7d2
cc @markshannon

[markshannon]

I'm looking into it.

[markshannon]

#127519 was reverted