# Bug report ### Bug description: ``` test test_external_inspection failed -- Traceback (most recent call last): File "/home/runner/work/cpython/cpython/Lib/test/test_external_inspection.py", line 991, in test_only_active_thread self.assertEqual(len(gil_traces), 1, "Should have exactly one GIL holder") ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ AssertionError: 0 != 1 : Should have exactly one GIL holder ``` See the failures in https://github.com/python/cpython/actions/runs/16006058028/job/45152923015 on main cc @pablogsal See also: * https://github.com/python/cpython/pull/136005 ### CPython versions tested on: CPython main branch ### Operating systems tested on: _No response_ <!-- gh-linked-prs --> ### Linked PRs * gh-136347 * gh-136416 * gh-143110 * gh-143235 <!-- /gh-linked-prs -->