[odrs-web] Fix pylint false-positive

[Richard Hughes <rhughes src gnome org>]

commit 847b6e64f8a7f98cfb53aa06884c83735ac9de3a
Author: Richard Hughes <richard hughsie com>
Date:   Mon Jul 1 13:31:49 2019 +0100

    Fix pylint false-positive

 app_data/cron.py | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/app_data/cron.py b/app_data/cron.py
index fa861cc..cbc443b 100755
--- a/app_data/cron.py
+++ b/app_data/cron.py
@@ -1,6 +1,8 @@
 #!/usr/bin/python3
 # -*- coding: utf-8 -*-
 #
+# pylint: disable=singleton-comparison
+#
 # Copyright (C) 2015-2019 Richard Hughes <richard hughsie com>
 #
 # SPDX-License-Identifier: GPL-3.0+