Update minimum tox version to 1.8

Other projects have updated to 1.8 or later for the minimum
tox version (nova, neutron), so we should probably do the
same.

Change-Id: Iddb9ab286519d555671ec39c0ce75c9351025730

diff --git a/tox.ini b/tox.ini
index 7504b6128c1d00809f7587ebec49972608d7cc93..ebe04af5a81b9a5b497803c59c1454d1195889f5 100644 (file)
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-minversion = 1.6
+minversion = 1.8
 skipsdist = True
 envlist = py27,pep8