Serhiy Storchaka added the comment: This is expected behavior. When you write to ByitesIO you overwrites the old content.
If you want to append to ByitesIO, first move the position to the end: b.seek(0, io.SEEK_END). ---------- nosy: +serhiy.storchaka resolution: -> not a bug stage: -> resolved status: open -> closed _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue30010> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com