From a6c1084b14a0a84d622a953292c376c0572565b9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gina=20H=C3=A4u=C3=9Fge?= <osd@foosel.net>
Date: Fri, 19 Jun 2015 21:52:03 +0200
Subject: [PATCH] Fix: Only try to delete a key in the settings that's actually
 there

---
 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 a024338b..eab68cf6 100644
--- a/src/octoprint/settings.py
+++ b/src/octoprint/settings.py
@@ -969,7 +969,7 @@ class Settings(object):
 			del config[key]
 			self._dirty = True
 		elif force or (not key in config and defaults[key] != value) or (key in config and config[key] != value):
-			if value is None:
+			if value is None and key in config:
 				del config[key]
 			else:
 				config[key] = value