STINNER Victor added the comment: I dislike urandom-doc.v2.patch. There is no need to worry all users. Just be explicit and explain that the issue is specific to Linux and explain when it occurs: before the entropy pool is filled *and* if the system was not able yet to write enough entropy on disk, this thing: https://www.python.org/dev/peps/pep-0524/#load-entropy-from-disk-at-boot ---------- _______________________________________ Python tracker <report@bugs.python.org> <http://bugs.python.org/issue27292> _______________________________________