[Twisted-Python] A small patch for defer.py

[Itamar Shtull-Trauring]

On Wed, 2005-04-20 at 17:06 +0000, User Paolino wrote:

> But I see, small things are not interesting ...

It's not that they're not interesting, it's just that patches should
probably come with an explanation of what they're for so we can review
them better. Also, if you add them to http://twistedmatrix.com/bugs/
they won't get lost in the list archives.