[tox] Bound flake8 version to >=3.4, <3.5
The code base is not clean with 3.5, so keep using 3.4 in *stable*
branches.
--- a/tox.ini Tue Oct 24 09:50:29 2017 +0200
+++ b/tox.ini Mon Oct 30 09:04:34 2017 +0100
@@ -20,7 +20,7 @@
[testenv:flake8]
skip_install = true
deps =
- flake8 >= 3
+ flake8 >= 3.4, < 3.5
whitelist_externals =
/bin/sh
commands = /bin/sh -c "flake8 `xargs -a {toxinidir}/flake8-ok-files.txt`"