From 02aad445aa952c8fe18b0315124cd49deac6055a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gina=20H=C3=A4u=C3=9Fge?= <gina@octoprint.org>
Date: Mon, 30 Oct 2017 12:36:09 +0100
Subject: [PATCH] Hardening against system.actions = null

See #2187
---
 src/octoprint/settings.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/octoprint/settings.py b/src/octoprint/settings.py
index b9144994..1ecec571 100644
--- a/src/octoprint/settings.py
+++ b/src/octoprint/settings.py
@@ -1115,7 +1115,7 @@ class Settings(object):
 		                     reboot="systemRestartCommand",
 		                     restart="serverRestartCommand")
 
-		if "system" in config and "actions" in config["system"]:
+		if "system" in config and "actions" in config["system"] and isinstance(config["system"]["actions"], (list, tuple)):
 			actions = config["system"]["actions"]
 			to_delete = []
 			for index, spec in enumerate(actions):