Bug fixes in model policies
diff --git a/planetstack/model_policies/model_policy_Slice.py b/planetstack/model_policies/model_policy_Slice.py
index 1f58570..a9936bd 100644
--- a/planetstack/model_policies/model_policy_Slice.py
+++ b/planetstack/model_policies/model_policy_Slice.py
@@ -7,7 +7,7 @@
controller_slices = ControllerSlice.objects.filter(slice=slice)
existing_controllers = [cs.controller for cs in controller_slices]
-
+
all_controllers = Controller.objects.all()
for controller in all_controllers:
if controller not in existing_controllers: