Ronald Oussoren <ronaldoussoren@mac.com> added the comment: That's annoying, I cannot reproduce the issue on macOS 10.13. I don't have access to my test VM running 10.11 at the moment, I'll work on documenting this when I get back home (and do have access to 10.11 again). BTW. I don't know if providing a reliable test is possible other than testing that the documented procedure works in general. ---------- _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue33111> _______________________________________