eliminate remaining reference to /opt/planetstack from python files
diff --git a/planetstack/tests/planetstacktest.py b/planetstack/tests/planetstacktest.py
index 77ed95f..7174331 100644
--- a/planetstack/tests/planetstacktest.py
+++ b/planetstack/tests/planetstacktest.py
@@ -3,7 +3,7 @@
 import sys
 import time
 
-sys.path.append("/opt/planetstack")
+sys.path.append("/opt/xos")
 
 os.environ.setdefault("DJANGO_SETTINGS_MODULE", "planetstack.settings")
 from openstack.manager import OpenStackManager