eliminate remaining reference to /opt/planetstack from python files
diff --git a/planetstack/rr_observer/rrlib.py b/planetstack/rr_observer/rrlib.py
index 10a5171..ed5a836 100644
--- a/planetstack/rr_observer/rrlib.py
+++ b/planetstack/rr_observer/rrlib.py
@@ -5,7 +5,7 @@
 import socket
 from sets import Set
 if __name__ == '__main__':
-    sys.path.append("/opt/planetstack")
+    sys.path.append("/opt/xos")
     os.environ.setdefault("DJANGO_SETTINGS_MODULE", "planetstack.settings")
 
 from planetstack.config import Config