Fixed a naming issue s/SliceDeploymentss/ss/s
diff --git a/planetstack/core/models/slice.py b/planetstack/core/models/slice.py
index 128d605..2188c29 100644
--- a/planetstack/core/models/slice.py
+++ b/planetstack/core/models/slice.py
@@ -93,7 +93,7 @@
         nets = Network.objects.filter(slices=self)
         nets.delete() 
         # delete slice deployments
-        slice_deployments = SliceDeploymentss.objects.filter(slice=self)
+        slice_deployments = SliceDeployments.objects.filter(slice=self)
         slice_deployments.delete()
         # delete slice privilege
         slice_privileges = SlicePrivilege.objects.filter(slice=self)