1 files changed, 1 insertions, 0 deletions
diff --git a/tox.ini b/tox.ini
index 480ae76..5b3ec53 100644
--- a/tox.ini
+++ b/tox.ini
@@ -6,5 +6,6 @@ envlist = py27, py33
 deps =
   logilab-common
   hg+https://bitbucket.org/logilab/astroid/
+  six
 commands = python -Wi -m unittest discover -s {envsitepackagesdir}/pylint/test/ -p {posargs:*test_*}.py
 changedir = {toxworkdir}