Yelp/mrjob — pull request #405 by irskep (2012-03-23 03:20:42+00:00)
Title: Lock pools when terminating idle job flows

Updated tests. I can probably also write a new test for the locking, but it will require some thought.

I assume you want a new test, but here's the main change I made for review.

I also have not tested by hand.