Yelp/mrjob — pull request #575 by tarnfeld (2012-10-28 02:02:31+00:00)
Title: Removed hardcoded s3n check.

As far as I can see this is the only place that could potentially cause issues when using urls hadoop supports, for instance `s3:///...`

Test output: https://gist.github.com/a76e10d1a02722e49463