Martin Panter <vadmium+py@gmail.com> added the comment: This is a regression in the 3.7+ documentation. It previously said “To [capture output], pass PIPE for the ‘stdout’ and/or ‘stderr’ arguments”. This was removed by Bo Bayles in Issue 32102. ---------- keywords: +3.7regression nosy: +bbayles, gregory.p.smith, martin.panter stage: -> needs patch versions: +Python 3.7, Python 3.8, Python 3.9 _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue33319> _______________________________________