diff --git a/planetstack/observer/steps/sync_network_slivers.py b/planetstack/observer/steps/sync_network_slivers.py
index 3870924..9e24fae 100644
--- a/planetstack/observer/steps/sync_network_slivers.py
+++ b/planetstack/observer/steps/sync_network_slivers.py
@@ -1,73 +1,75 @@
 import os
 import base64
 from planetstack.config import Config
+from observer.openstacksyncstep import OpenStackSyncStep
+from core.models.network import *
 
 class SyncNetworkSlivers(OpenStackSyncStep):
 	requested_interval = 3600
 	provides=[NetworkSliver]
 
 	def call(self):
-        networkSlivers = NetworkSliver.objects.all()
-        networkSlivers_by_id = {}
-        networkSlivers_by_port = {}
-        for networkSliver in networkSlivers:
-            networkSlivers_by_id[networkSliver.id] = networkSliver
-            networkSlivers_by_port[networkSliver.port_id] = networkSliver
+		networkSlivers = NetworkSliver.objects.all()
+		networkSlivers_by_id = {}
+		networkSlivers_by_port = {}
+		for networkSliver in networkSlivers:
+			networkSlivers_by_id[networkSliver.id] = networkSliver
+			networkSlivers_by_port[networkSliver.port_id] = networkSliver
 
-        networks = Network.objects.all()
-        networks_by_id = {}
-        for network in networks:
-            networks_by_id[network.network_id] = network
+		networks = Network.objects.all()
+		networks_by_id = {}
+		for network in networks:
+			networks_by_id[network.network_id] = network
 
-        slivers = Sliver.objects.all()
-        slivers_by_instance_id = {}
-        for sliver in slivers:
-            slivers_by_instance_id[sliver.instance_id] = sliver
+		slivers = Sliver.objects.all()
+		slivers_by_instance_id = {}
+		for sliver in slivers:
+			slivers_by_instance_id[sliver.instance_id] = sliver
 
-        ports = self.manager.driver.shell.quantum.list_ports()["ports"]
-        for port in ports:
-            if port["id"] in networkSlivers_by_port:
-                # we already have it
-                print "already accounted for port", port["id"]
-                continue
+		ports = self.manager.driver.shell.quantum.list_ports()["ports"]
+		for port in ports:
+			if port["id"] in networkSlivers_by_port:
+				# we already have it
+				print "already accounted for port", port["id"]
+				continue
 
-            if port["device_owner"] != "compute:nova":
-                # we only want the ports that connect to instances
-                continue
+			if port["device_owner"] != "compute:nova":
+				# we only want the ports that connect to instances
+				continue
 
-            network = networks_by_id.get(port['network_id'], None)
-            if not network:
-                #print "no network for port", port["id"], "network", port["network_id"]
-                continue
+			network = networks_by_id.get(port['network_id'], None)
+			if not network:
+				#print "no network for port", port["id"], "network", port["network_id"]
+				continue
 
-            sliver = slivers_by_instance_id.get(port['device_id'], None)
-            if not sliver:
-                print "no sliver for port", port["id"], "device_id", port['device_id']
-                continue
+			sliver = slivers_by_instance_id.get(port['device_id'], None)
+			if not sliver:
+				print "no sliver for port", port["id"], "device_id", port['device_id']
+				continue
 
-            if network.template.sharedNetworkId is not None:
-                # If it's a shared network template, then more than one network
-                # object maps to the quantum network. We have to do a whole bunch
-                # of extra work to find the right one.
-                networks = network.template.network_set.all()
-                network = None
-                for candidate_network in networks:
-                    if (candidate_network.owner == sliver.slice):
-                        print "found network", candidate_network
-                        network = candidate_network
+			if network.template.sharedNetworkId is not None:
+				# If it's a shared network template, then more than one network
+				# object maps to the quantum network. We have to do a whole bunch
+				# of extra work to find the right one.
+				networks = network.template.network_set.all()
+				network = None
+				for candidate_network in networks:
+					if (candidate_network.owner == sliver.slice):
+						print "found network", candidate_network
+						network = candidate_network
 
-                if not network:
-                    print "failed to find the correct network for a shared template for port", port["id"], "network", port["network_id"]
-                    continue
+				if not network:
+					print "failed to find the correct network for a shared template for port", port["id"], "network", port["network_id"]
+					continue
 
-            if not port["fixed_ips"]:
-                print "port", port["id"], "has no fixed_ips"
-                continue
+			if not port["fixed_ips"]:
+				print "port", port["id"], "has no fixed_ips"
+				continue
 
-#            print "XXX", port
+#			 print "XXX", port
 
-            ns = NetworkSliver(network=network,
-                               sliver=sliver,
-                               ip=port["fixed_ips"][0]["ip_address"],
-                               port_id=port["id"])
-            ns.save()
+			ns = NetworkSliver(network=network,
+							   sliver=sliver,
+							   ip=port["fixed_ips"][0]["ip_address"],
+							   port_id=port["id"])
+			ns.save()