diff --git a/planetstack/observer/steps/sync_slivers.py b/planetstack/observer/steps/sync_slivers.py
index 46f78fd..adab39d 100644
--- a/planetstack/observer/steps/sync_slivers.py
+++ b/planetstack/observer/steps/sync_slivers.py
@@ -1,6 +1,8 @@
 import os
 import base64
 from planetstack.config import Config
+from observer.openstacksyncstep import OpenStackSyncStep
+from core.models.sliver import Sliver
 
 class SyncSlivers(OpenStackSyncStep):
 	provides=[Sliver]
@@ -13,15 +15,15 @@
 				pubkeys = [sm.user.public_key for sm in slice_memberships if sm.user.public_key]
 				pubkeys.append(sliver.creator.public_key)
 				instance = self.driver.spawn_instance(name=sliver.name,
-									   key_name = sliver.creator.keyname,
-									   image_id = sliver.image.image_id,
-									   hostname = sliver.node.name,
-									   pubkeys = pubkeys,
-									   nics = nics )
+									key_name = sliver.creator.keyname,
+									image_id = sliver.image.image_id,
+									hostname = sliver.node.name,
+									pubkeys = pubkeys,
+									nics = nics )
 				sliver.instance_id = instance.id
 				sliver.instance_name = getattr(instance, 'OS-EXT-SRV-ATTR:instance_name')
 
-			if sliver.instance_id and ("numberCores" in sliver.changed_fields):
-				self.driver.update_instance_metadata(sliver.instance_id, {"cpu_cores": str(sliver.numberCores)})
+		if sliver.instance_id and ("numberCores" in sliver.changed_fields):
+			self.driver.update_instance_metadata(sliver.instance_id, {"cpu_cores": str(sliver.numberCores)})
 
-			sliver.save()	
+		sliver.save()