From ba427d0b20e9f0bd969d6df368b048a30ba13935 Mon Sep 17 00:00:00 2001
From: "Kevin L. Mitchell" <kevin.mitchell@rackspace.com>
Date: Fri, 2 Sep 2011 12:31:10 -0500
Subject: [PATCH] Add documentation comment

---
 nova/scheduler/host_filter.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/nova/scheduler/host_filter.py b/nova/scheduler/host_filter.py
index 4024ec85..9f7d34ea 100644
--- a/nova/scheduler/host_filter.py
+++ b/nova/scheduler/host_filter.py
@@ -31,6 +31,11 @@ import types
 from nova import exception
 from nova import flags
 import nova.scheduler
+
+# NOTE(Vek): Even though we don't use filters in here anywhere, we
+#            depend on default_host_filter being available in FLAGS,
+#            and that happens only when filters/abstract_filter.py is
+#            imported.
 from nova.scheduler import filters