2009/4/7 Jack Diederich <report@bugs.python.org>:
>
> Jack Diederich <jackdied@gmail.com> added the comment:
>
> Could you try increasing self.blocking_timeout (in the _setUp function)
> to something greater than 0.0 (like 0.1) and see if that works?  I
> picked a constant that was as small as Worked For Me to keep the total
> test time as short as possible.

Nope, still have the same problem.

>
> Unfortunately select() is called in the guts of Telnet so slipping in a
> mock object is difficult.  I could also add more synchronization
> primitives but that is also icky.  Hopefully just upping the constant a
> little does the trick.

You could monkey patch select.select() during the tests or rewrite
telnetlib, so it calls self._select() and make a subclass.