fit threading bug
diff --git a/planetstack/openstack/backend.py b/planetstack/openstack/backend.py
index 340b29b..43afba7 100644
--- a/planetstack/openstack/backend.py
+++ b/planetstack/openstack/backend.py
@@ -1,5 +1,4 @@
 import threading
-from openstack.sliveragent import SliverAgent
 from openstack.observer import OpenStackObserver
 from openstack.event_listener import EventListener
 
diff --git a/planetstack/openstack/observer.py b/planetstack/openstack/observer.py
index 44908ab..6fcb3b4 100644
--- a/planetstack/openstack/observer.py
+++ b/planetstack/openstack/observer.py
@@ -226,7 +226,7 @@
         # get all users that need to be synced (enacted < updated or enacted is None)
         pending_slivers = Sliver.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
         for sliver in pending_slivers:
-            if not sliver.instance_id and sliver.creator: 
+            if sliver.creator: 
                 try: 
                     # update manager context
                     self.manager.init_caller(sliver.creator, sliver.slice.name)