sebbacon/alaveteli — Issue #329: Spiders try to crawl folders they think contain files, resulting in 500
Author: sebbacon
Created: 2012-01-10 12:44:14+00:00
State: open

[Example url](http://www.whatdotheyknow.com/request/84163/response/213090/attach/html/).

This should probably return a more approriate error code.