STINNER Victor added the comment:
I opened bpo-38152 since much more tests are affected, not only test_types.
--
resolution: -> duplicate
stage: -> resolved
status: open -> closed
superseder: -> AST change introduced tons of reference leaks
___
New submission from STINNER Victor :
https://buildbot.python.org/all/#/builders/1/builds/712
Python 3.8 is not affected, only the master branch.
See also bpo-38150.
vstinner@apu$ ./python -m test test_types -R 3:3 -m
test.test_types.CoroutineTests.test_duck_gen
Run tests sequentially
