Martin Panter <vadmium...@gmail.com> added the comment:
The file descriptor created by "os.dup" is not inherited by child processes by default since Python 3.4. https://docs.python.org/3/library/os.html#os.dup Does it work if you use "os.set_inheritable" or "os.dup2" (which apparently sets it inhertiable by default)? ---------- nosy: +martin.panter _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue40299> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com