Yann Dirson <y...@blade-group.com> added the comment:
> The fact that my stdout object has no read1() and needs the above patch looks > like a good lead for further investigation? That's linked to universal_newlines, the bug only shows when that flag is set. Testcases provided in https://github.com/python/cpython/pull/25859 ---------- title: Undocumented behaviour change of POpen.stdout.readine with bufsize=0 or =1 -> POpen bufsize=0 ignored with universal_newlines=True _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue41222> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com