diff --git a/planetstack/observer/steps/sync_networks.py b/planetstack/observer/steps/sync_networks.py
index f87d241..656ae68 100644
--- a/planetstack/observer/steps/sync_networks.py
+++ b/planetstack/observer/steps/sync_networks.py
@@ -5,54 +5,54 @@
 from core.models.network import *
 
 class SyncNetworks(OpenStackSyncStep):
-	provides=[Network]
-	requested_interval = 0
+    provides=[Network]
+    requested_interval = 0
 
-	def save_network(self, network):
-		if not network.network_id:
-			if network.template.sharedNetworkName:
-				network.network_id = network.template.sharedNetworkId
-				(network.subnet_id, network.subnet) = self.driver.get_network_subnet(network.network_id)
-			else:
-				network_name = network.name
+    def save_network(self, network):
+        if not network.network_id:
+            if network.template.sharedNetworkName:
+                network.network_id = network.template.sharedNetworkId
+                (network.subnet_id, network.subnet) = self.driver.get_network_subnet(network.network_id)
+            else:
+                network_name = network.name
 
-				# create network
-				os_network = self.driver.create_network(network_name, shared=True)
-				network.network_id = os_network['id']
+                # create network
+                os_network = self.driver.create_network(network_name, shared=True)
+                network.network_id = os_network['id']
 
-				# create router
-				router = self.driver.create_router(network_name)
-				network.router_id = router['id']
+                # create router
+                router = self.driver.create_router(network_name)
+                network.router_id = router['id']
 
-				# create subnet
-				next_subnet = self.get_next_subnet()
-				cidr = str(next_subnet.cidr)
-				ip_version = next_subnet.version
-				start = str(next_subnet[2])
-				end = str(next_subnet[-2])
-				subnet = self.driver.create_subnet(name=network_name,
-												   network_id = network.network_id,
-												   cidr_ip = cidr,
-												   ip_version = ip_version,
-												   start = start,
-												   end = end)
-				network.subnet = cidr
-				network.subnet_id = subnet['id']
+                # create subnet
+                next_subnet = self.get_next_subnet()
+                cidr = str(next_subnet.cidr)
+                ip_version = next_subnet.version
+                start = str(next_subnet[2])
+                end = str(next_subnet[-2])
+                subnet = self.driver.create_subnet(name=network_name,
+                                                   network_id = network.network_id,
+                                                   cidr_ip = cidr,
+                                                   ip_version = ip_version,
+                                                   start = start,
+                                                   end = end)
+                network.subnet = cidr
+                network.subnet_id = subnet['id']
                 # add subnet as interface to slice's router
                 self.driver.add_router_interface(router['id'], subnet['id'])
                 # add external route
                 self.driver.add_external_route(subnet)
 
-	def sync_record(self, site):
-		if network.owner and network.owner.creator:
-				try:
-					# update manager context
+    def sync_record(self, site):
+        if network.owner and network.owner.creator:
+                try:
+                    # update manager context
                     real_driver = self.driver
                     self.driver = self.driver.client_driver(network.owner.creator, network.owner.name)
-					self.save_network(network)
+                    self.save_network(network)
                     self.driver = real_driver
-					logger.info("saved network: %s" % (network))
-				except Exception,e:
-					logger.log_exc("save network failed: %s" % network)	
-					raise e
+                    logger.info("saved network: %s" % (network))
+                except Exception,e:
+                    logger.log_exc("save network failed: %s" % network)    
+                    raise e