update min tox version to 2.0

The commands used by constraints need at least tox 2.0. Update to
reflect reality, which should help with local running of constraints
targets.

Change-Id: I27348462a21daab479d76b24b48e3a4e017504cc
This commit is contained in:
Sean Dague 2016-01-13 13:37:19 -05:00
parent bff71e602b
commit 088bf2bd80

View File

@ -1,5 +1,5 @@
[tox]
minversion = 1.8
minversion = 2.0
envlist = py34,py27,functional,pep8,pip-missing-reqs
skipsdist = True