STINNER Victor added the comment: New changeset bbd3cf8f1ef1e91a8d6dac6411e18b4b9084abf5 by Victor Stinner in branch 'master': Fix ref cycles in TestCase.assertRaises() (#193) https://github.com/python/cpython/commit/bbd3cf8f1ef1e91a8d6dac6411e18b4b908... ---------- _______________________________________ Python tracker <report@bugs.python.org> <http://bugs.python.org/issue23890> _______________________________________