From e19c8f9d0818a147832df0945188ea14de9c7690 Mon Sep 17 00:00:00 2001
From: Matthias Baumgartner <dev@igsor.net>
Date: Sun, 18 Dec 2022 14:15:18 +0100
Subject: documentation, types, and style fixes

---
 bsfs/graph/ac/null.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'bsfs/graph/ac/null.py')

diff --git a/bsfs/graph/ac/null.py b/bsfs/graph/ac/null.py
index 288a0da..36838bd 100644
--- a/bsfs/graph/ac/null.py
+++ b/bsfs/graph/ac/null.py
@@ -24,8 +24,7 @@ __all__: typing.Sequence[str] = (
 ## code ##
 
 class NullAC(base.AccessControlBase):
-    """
-    """
+    """The NULL access control implements a dummy policy that allows any action to any user."""
 
     def is_protected_predicate(self, pred: schema.Predicate) -> bool:
         """Return True if a predicate cannot be modified manually."""
-- 
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