add --noobserver option to manage.py
diff --git a/planetstack/manage.py b/planetstack/manage.py
index ce14cdb..4a7e2df 100644
--- a/planetstack/manage.py
+++ b/planetstack/manage.py
@@ -12,4 +12,9 @@
         model_policy.EnableModelPolicy(False)
         sys.argv.remove("--nomodelpolicy")
 
+    if "--noobserver" in sys.argv:
+        import observer
+        observer.EnableObserver(False)
+        sys.argv.remove("--noobserver")
+
     execute_from_command_line(sys.argv)