diff --git a/tools/pip-requires b/tools/pip-requires
index 749f235c2e..b46b3754bc 100644
--- a/tools/pip-requires
+++ b/tools/pip-requires
@@ -14,3 +14,4 @@ factory_boy
 httplib2
 lxml
 python-novaclient
+iso8601
diff --git a/tools/with_venv.sh b/tools/with_venv.sh
old mode 100644
new mode 100755