[gnome-tweak-tool] dont crash on shemas with missing keys

[John Stowers <jstowers src gnome org>]

commit a83ddd89364b84d34d70cdfefe694705b0098b2b
Author: John Stowers <john stowers gmail com>
Date:   Mon Jun 25 16:28:58 2012 +0200

    dont crash on shemas with missing keys

 gtweak/widgets.py |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)
---
diff --git a/gtweak/widgets.py b/gtweak/widgets.py
index c915a17..7982c74 100644
--- a/gtweak/widgets.py
+++ b/gtweak/widgets.py
@@ -109,7 +109,13 @@ class _GSettingsTweak(Tweak):
             self.settings = GSettingsFakeSetting()
             Tweak.__init__(self,"","")
             self.loaded = False
-            logging.info("Missing gsettings %s (key %s)" % (e.message, key_name))
+            logging.info("Missing gsettings %s" % (e.message))
+        except KeyError:
+            self.settings = GSettingsFakeSetting()
+            Tweak.__init__(self,"","")
+            self.loaded = False
+            logging.info("Missing gsettings %s (key %s)" % (schema_name, key_name))
+
 
 class GSettingsSwitchTweak(_GSettingsTweak):
     def __init__(self, schema_name, key_name, **options):