Amaury Forgeot d'Arc <amauryfa@gmail.com> added the comment: This is still the case: the documentation should mention that PyEval_ReleaseLock() is not the correct function to release "the GIL", both the interpreter lock *and* the current thread state have to be released. ---------- assignee: -> docs@python components: -Interpreter Core nosy: +amaury.forgeotdarc, docs@python _______________________________________ Python tracker <report@bugs.python.org> <http://bugs.python.org/issue1720250> _______________________________________