David Shrewsbury 2e16b54f1b Update docs to reflect newer Python requirement.
We've shifted to supporting only Python 3 for nodepool. And
a recent change to use math.inf means we need at least python
version 3.5.

Change-Id: Ie3a56022d2bed3fa9b9fca0919158441c8c60017
2018-01-26 11:20:52 -05:00
..
2014-01-14 01:00:43 +08:00