Martin Panter <vadmium...@gmail.com> added the comment: It is documented that buffering=0 is not supported in text mode. Look a handful of paragraphs down from <https://docs.python.org/release/3.7.2/library/functions.html#open>:
“Pass 0 to switch buffering off (only allowed in binary mode)” Amaury’s problem with the IDNA buffering encoder has now been reported separately in Issue 35611. ---------- nosy: +martin.panter _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue17404> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com