Add py2-ipaddress dependency for python 2.x

Signed-off-by: Joffrey F <joffrey@docker.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/tox.ini b/tox.ini
index 40e46fa..483c3ae 100644
--- a/tox.ini
+++ b/tox.ini
@@ -8,7 +8,8 @@ commands =
     py.test --cov=docker {posargs:tests/unit}
 deps =
     -r{toxinidir}/test-requirements.txt
-    -r{toxinidir}/requirements.txt
+    {py26,py27}: -r{toxinidir}/requirements.txt
+    {py33,py34}: -r{toxinidir}/requirements3.txt
 
 [testenv:flake8]
 commands = flake8 docker tests