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diff --git a/planetstack/observer/steps/sync_slices.py b/planetstack/observer/steps/sync_slices.py
index 4f10a14..d5ed266 100644
--- a/planetstack/observer/steps/sync_slices.py
+++ b/planetstack/observer/steps/sync_slices.py
@@ -5,58 +5,58 @@
 from core.models.slice import Slice
 
 class SyncSlices(OpenStackSyncStep):
-	provides=[Slice]
-	requested_interval=0
+    provides=[Slice]
+    requested_interval=0
 
     def fetch_pending(self):
         return Slice.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
 
-	def sync_record(self, slice):
-		if not slice.tenant_id:
-			nova_fields = {'tenant_name': slice.name,
-				   'description': slice.description,
-				   'enabled': slice.enabled}
-			tenant = self.driver.create_tenant(**nova_fields)
-			slice.tenant_id = tenant.id
+    def sync_record(self, slice):
+        if not slice.tenant_id:
+            nova_fields = {'tenant_name': slice.name,
+                   'description': slice.description,
+                   'enabled': slice.enabled}
+            tenant = self.driver.create_tenant(**nova_fields)
+            slice.tenant_id = tenant.id
 
-			# XXX give caller an admin role at the tenant they've created
-			self.driver.add_user_role(self.caller.kuser_id, tenant.id, 'admin')
+            # XXX give caller an admin role at the tenant they've created
+            self.driver.add_user_role(self.caller.kuser_id, tenant.id, 'admin')
 
-			# refresh credentials using this tenant
-			self.driver.shell.connect(username=self.driver.shell.keystone.username,
-									  password=self.driver.shell.keystone.password,
-									  tenant=tenant.name)
+            # refresh credentials using this tenant
+            self.driver.shell.connect(username=self.driver.shell.keystone.username,
+                                      password=self.driver.shell.keystone.password,
+                                      tenant=tenant.name)
 
-			# create network
-			network = self.driver.create_network(slice.name)
-			slice.network_id = network['id']
+            # create network
+            network = self.driver.create_network(slice.name)
+            slice.network_id = network['id']
 
-			# create router
-			router = self.driver.create_router(slice.name)
-			slice.router_id = router['id']
+            # create router
+            router = self.driver.create_router(slice.name)
+            slice.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=slice.name,
-											   network_id = network['id'],
-											   cidr_ip = cidr,
-											   ip_version = ip_version,
-											   start = start,
-											   end = end)
-			slice.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)
+            # 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=slice.name,
+                                               network_id = network['id'],
+                                               cidr_ip = cidr,
+                                               ip_version = ip_version,
+                                               start = start,
+                                               end = end)
+            slice.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)
 
 
-		if slice.id and slice.tenant_id:
-			self.driver.update_tenant(slice.tenant_id,
-									  description=slice.description,
-									  enabled=slice.enabled)   
+        if slice.id and slice.tenant_id:
+            self.driver.update_tenant(slice.tenant_id,
+                                      description=slice.description,
+                                      enabled=slice.enabled)   
 
-		slice.save()
+        slice.save()