diff --git a/planetstack/observer/steps/garbage_collector.py b/planetstack/observer/steps/garbage_collector.py
index 9e2a37d..431623d 100644
--- a/planetstack/observer/steps/garbage_collector.py
+++ b/planetstack/observer/steps/garbage_collector.py
@@ -1,5 +1,6 @@
 import os
 import base64
+from django.db.models import F, Q
 from planetstack.config import Config
 from observer.openstacksyncstep import OpenStackSyncStep
 
diff --git a/planetstack/observer/steps/sync_network_slivers.py b/planetstack/observer/steps/sync_network_slivers.py
index e2556bb..dfb9d8d 100644
--- a/planetstack/observer/steps/sync_network_slivers.py
+++ b/planetstack/observer/steps/sync_network_slivers.py
@@ -1,5 +1,6 @@
 import os
 import base64
+from django.db.models import F, Q
 from planetstack.config import Config
 from observer.openstacksyncstep import OpenStackSyncStep
 from core.models.network import *
diff --git a/planetstack/observer/steps/sync_networks.py b/planetstack/observer/steps/sync_networks.py
index 02a1b23..82d6bc7 100644
--- a/planetstack/observer/steps/sync_networks.py
+++ b/planetstack/observer/steps/sync_networks.py
@@ -1,5 +1,6 @@
 import os
 import base64
+from django.db.models import F, Q
 from planetstack.config import Config
 from observer.openstacksyncstep import OpenStackSyncStep
 from core.models.network import *
diff --git a/planetstack/observer/steps/sync_site_privileges.py b/planetstack/observer/steps/sync_site_privileges.py
index 6ec917c..de8976d 100644
--- a/planetstack/observer/steps/sync_site_privileges.py
+++ b/planetstack/observer/steps/sync_site_privileges.py
@@ -1,5 +1,6 @@
 import os
 import base64
+from django.db.models import F, Q
 from planetstack.config import Config
 from observer.openstacksyncstep import OpenStackSyncStep
 from core.models.site import *
diff --git a/planetstack/observer/steps/sync_sites.py b/planetstack/observer/steps/sync_sites.py
index d7a0ab7..2013c6d 100644
--- a/planetstack/observer/steps/sync_sites.py
+++ b/planetstack/observer/steps/sync_sites.py
@@ -1,5 +1,6 @@
 import os
 import base64
+from django.db.models import F, Q
 from planetstack.config import Config
 from observer.openstacksyncstep import OpenStackSyncStep
 from core.models.site import Site
diff --git a/planetstack/observer/steps/sync_slice_memberships.py b/planetstack/observer/steps/sync_slice_memberships.py
index 0e9d681..2748fcd 100644
--- a/planetstack/observer/steps/sync_slice_memberships.py
+++ b/planetstack/observer/steps/sync_slice_memberships.py
@@ -1,5 +1,6 @@
 import os
 import base64
+from django.db.models import F, Q
 from planetstack.config import Config
 from observer.openstacksyncstep import OpenStackSyncStep
 from core.models.slice import *
diff --git a/planetstack/observer/steps/sync_slices.py b/planetstack/observer/steps/sync_slices.py
index d5ed266..9ba5ab7 100644
--- a/planetstack/observer/steps/sync_slices.py
+++ b/planetstack/observer/steps/sync_slices.py
@@ -1,5 +1,6 @@
 import os
 import base64
+from django.db.models import F, Q
 from planetstack.config import Config
 from observer.openstacksyncstep import OpenStackSyncStep
 from core.models.slice import Slice
diff --git a/planetstack/observer/steps/sync_sliver_ips.py b/planetstack/observer/steps/sync_sliver_ips.py
index fb4fd5b..2d7f1f8 100644
--- a/planetstack/observer/steps/sync_sliver_ips.py
+++ b/planetstack/observer/steps/sync_sliver_ips.py
@@ -1,5 +1,6 @@
 import os
 import base64
+from django.db.models import F, Q
 from planetstack.config import Config
 from observer.openstacksyncstep import OpenStackSyncStep
 from core.models.sliver import Sliver
diff --git a/planetstack/observer/steps/sync_slivers.py b/planetstack/observer/steps/sync_slivers.py
index 74a1b50..900840d 100644
--- a/planetstack/observer/steps/sync_slivers.py
+++ b/planetstack/observer/steps/sync_slivers.py
@@ -1,5 +1,6 @@
 import os
 import base64
+from django.db.models import F, Q
 from planetstack.config import Config
 from observer.openstacksyncstep import OpenStackSyncStep
 from core.models.sliver import Sliver
diff --git a/planetstack/observer/steps/sync_users.py b/planetstack/observer/steps/sync_users.py
index f222b43..00c9896 100644
--- a/planetstack/observer/steps/sync_users.py
+++ b/planetstack/observer/steps/sync_users.py
@@ -1,5 +1,6 @@
 import os
 import base64
+from django.db.models import F, Q
 from planetstack.config import Config
 from observer.openstacksyncstep import OpenStackSyncStep
 from core.models.user import User