[Twisted-Python] What the hell?

[Itamar]

Glyph Lefkowitz wrote:
> Right, but only part of the explanation :-).  This has previously been
> discussed a little, and my initial this answer is here:
> 
>     http://twistedmatrix.com/pipermail/twisted-python/2001-July/000139.html

OK. But checking by host == 'unix' is still pretty bad, IMHO. Maybe 
check for the port being a string instead? (and have the tcp.py 
docstrings document this.)