tox: define the minimal tox version required (#5914)

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Benoit Pierre 2018-10-24 20:14:14 +02:00 committed by Chris Jerdonek
parent 951e0cba51
commit 116c3b1c7e
1 changed files with 1 additions and 0 deletions

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@ -1,4 +1,5 @@
[tox]
minversion = 3.4.0
envlist =
docs, packaging, lint-py2, lint-py3, mypy,
py27, py34, py35, py36, py37, py38, pypy, pypy3