diff --git a/planetstack/observer/steps/sync_sliver_ips.py b/planetstack/observer/steps/sync_sliver_ips.py
index d231d13..50ec6ad 100644
--- a/planetstack/observer/steps/sync_sliver_ips.py
+++ b/planetstack/observer/steps/sync_sliver_ips.py
@@ -5,21 +5,21 @@
 from core.models.sliver import Sliver
 
 class SyncSliverIps(OpenStackSyncStep):
-	provides=[Sliver]
-	requested_interval=0
-	def fetch_pending(self):
-		slivers = Sliver.objects.filter(ip=None)
-		return slivers
+    provides=[Sliver]
+    requested_interval=0
+    def fetch_pending(self):
+        slivers = Sliver.objects.filter(ip=None)
+        return slivers
 
-	def sync_record(self, sliver):
+    def sync_record(self, sliver):
         driver = self.driver.client_driver(tenant=sliver.slice.name)  
-		servers = driver.shell.nova.servers.findall(id=sliver.instance_id)
-		if not servers:
-			return
-		server = servers[0]
-		ips = server.addresses.get(sliver.slice.name, [])
-		if not ips:
-			return
-		sliver.ip = ips[0]['addr']
-		sliver.save()
-		logger.info("saved sliver ip: %s %s" % (sliver, ips[0]))
+        servers = driver.shell.nova.servers.findall(id=sliver.instance_id)
+        if not servers:
+            return
+        server = servers[0]
+        ips = server.addresses.get(sliver.slice.name, [])
+        if not ips:
+            return
+        sliver.ip = ips[0]['addr']
+        sliver.save()
+        logger.info("saved sliver ip: %s %s" % (sliver, ips[0]))