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From: Random832 <random832@fastmail.com>
Newsgroups: comp.lang.python
Subject: Re: Unbuffered stderr in Python 3
Date: Tue, 03 Nov 2015 10:00:33 -0500
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Nobody <nobody@nowhere.invalid> writes:

> It's probably related to the fact that std{in,out,err} are Unicode
> streams. 

There's no fundamental reason a Unicode stream should have to be line
buffered. If it's "related", it's only in that an oversight was made in
the course of making that change.