From 1133577e4d5d9391a0f328c6aee33ed916fd1032 Mon Sep 17 00:00:00 2001
From: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>
Date: Mon, 14 Nov 2016 02:57:41 -0400
Subject: [PATCH] Fix ACL resolution for non model objects.

---
 mayan/apps/acls/managers.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/mayan/apps/acls/managers.py b/mayan/apps/acls/managers.py
index 63eb8c6f48..eb5bbb207a 100644
--- a/mayan/apps/acls/managers.py
+++ b/mayan/apps/acls/managers.py
@@ -68,7 +68,13 @@ class AccessControlListManager(models.Manager):
                 obj = return_attrib(obj, related)
 
             try:
-                parent_accessor = ModelPermission.get_inheritance(obj._meta.model)
+                parent_accessor = ModelPermission.get_inheritance(
+                    model=obj._meta.model
+                )
+            except AttributeError:
+                # AttributeError means non model objects: ie Statistics
+                # These can't have ACLS so we raise PermissionDenied
+                raise PermissionDenied
             except KeyError:
                 pass
             else: