diff --git a/planetstack/model_policies/__init__.py b/planetstack/model_policies/__init__.py
index e69de29..8671d6a 100644
--- a/planetstack/model_policies/__init__.py
+++ b/planetstack/model_policies/__init__.py
@@ -0,0 +1,3 @@
+from .model_policy_Slice import *
+from .model_policy_User import *
+from .model_policy_Network import *
diff --git a/planetstack/model_policies/model_policy_Network.py b/planetstack/model_policies/model_policy_Network.py
index 0511bee..f48b25a 100644
--- a/planetstack/model_policies/model_policy_Network.py
+++ b/planetstack/model_policies/model_policy_Network.py
@@ -1,6 +1,8 @@
 from core.models import *
 
 def handle(network):
+	from core.models import SliceDeployments,NetworkDeployments
+	from collections import defaultdict
 	# network deployments are not visible to users. We must ensure
 	# networks are deployed at all deploymets available to their slices.
 	slice_deployments = SliceDeployments.objects.all()
diff --git a/planetstack/model_policies/model_policy_Slice.py b/planetstack/model_policies/model_policy_Slice.py
index 5d66903..6fd968c 100644
--- a/planetstack/model_policies/model_policy_Slice.py
+++ b/planetstack/model_policies/model_policy_Slice.py
@@ -1,6 +1,7 @@
-from core.models import *
 
 def handle(slice):
+	from core.models import SiteDeployments,SliceDeployments,Deployment
+	from collections import defaultdict
 	site_deployments = SiteDeployments.objects.all()
 	site_deploy_lookup = defaultdict(list)
 	for site_deployment in site_deployments:
diff --git a/planetstack/model_policies/model_policy_User.py b/planetstack/model_policies/model_policy_User.py
index 1b1895e..6118a7b 100644
--- a/planetstack/model_policies/model_policy_User.py
+++ b/planetstack/model_policies/model_policy_User.py
@@ -1,6 +1,8 @@
 from core.models import *
 
 def handle(user):
+	from core.models import Deployment,SiteDeployments,UserDeployments
+	from collections import defaultdict
 	deployments = Deployment.objects.all()
 	site_deployments = SiteDeployments.objects.all()
 	site_deploy_lookup = defaultdict(list)