site admins should be able to see all slices in site
diff --git a/xos/core/models/slice.py b/xos/core/models/slice.py
index 0649d6f..c99dd6d 100644
--- a/xos/core/models/slice.py
+++ b/xos/core/models/slice.py
@@ -94,7 +94,7 @@
             slice_ids = [sp.slice.id for sp in SlicePrivilege.objects.filter(user=user)]
             # pis can see slices at their sites
             sites = [sp.site for sp in SitePrivilege.objects.filter(user=user)\
-                        if sp.role.role == 'pi']
+                        if (sp.role.role == 'pi') or (sp.role.role == 'admin')]
             slice_ids.extend([s.id for s in Slice.objects.filter(site__in=sites)]) 
             qs = Slice.objects.filter(id__in=slice_ids)
         return qs