How to test if a module exists?

[Ethan Furman]

Lawrence D'Oliveiro wrote:
> In message <mailman.780.1289326087.2218.python-list at python.org>, Jon 
> Dufresne wrote:
> 
>> On Mon, Nov 8, 2010 at 11:35 PM, Lawrence D'Oliveiro ...
> 
> I see that you published my unobfuscated e-mail address on USENET for all to
> see. I obfuscated it for a reason, to keep the spammers away. I'm assuming
> this was a momentary lapse of judgement, for which I expect an apology.
> Otherwise, it becomes grounds for an abuse complaint to your ISP.

Dumb question:  Where did you obfuscate it?  All I see is (apparently) 
the real one.

Hoping-to-learn-something'ly yours,
~Ethan~