eliminate remaining reference to /opt/planetstack from python files
diff --git a/planetstack/syndicate_observer/syndicatelib.py b/planetstack/syndicate_observer/syndicatelib.py
index d4844e8..6be7738 100644
--- a/planetstack/syndicate_observer/syndicatelib.py
+++ b/planetstack/syndicate_observer/syndicatelib.py
@@ -1332,7 +1332,7 @@
 
 # run functional tests
 if __name__ == "__main__":
-    sys.path.append("/opt/planetstack")
+    sys.path.append("/opt/xos")
     os.environ.setdefault("DJANGO_SETTINGS_MODULE", "planetstack.settings")
 
     if len(sys.argv) < 2: