Example: https://buildbot.python.org/#/builders/1641/builds/199 ``` FAIL: test_async_global_awaited_by (test.test_external_inspection.TestGetStackTrace.test_async_global_awaited_by) ---------------------------------------------------------------------- Traceback (most recent call last): File "/home/buildbot/buildarea/3.x.cstratak-fedora-stable-s390x.refleak/build/Lib/test/test_external_inspection.py", line 531, in test_async_global_awaited_by self.assertEqual([[['echo_client_spam'], 'echo client spam', [[['main'], 'Task-1', []]]]], entries[-1][1]) ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ AssertionError: Lists differ: [[['echo_client_spam'], 'echo client spam', [[['main'], 'Task-1', []]]]] != [] First list contains 1 additional elements. First extra element 0: [['echo_client_spam'], 'echo client spam', [[['main'], 'Task-1', []]]] - [[['echo_client_spam'], 'echo client spam', [[['main'], 'Task-1', []]]]] + [] ``` cc @pablogsal <!-- gh-linked-prs --> ### Linked PRs * gh-133368 <!-- /gh-linked-prs -->