[pitivi] timeline: Fix section ids to be non-translatable

[Alexandru Băluț <alexbalut src gnome org>]

commit cdc4614a04ca840965fb7eb4c1c10232250b1189
Author: Alexandru Băluț <alexandru balut gmail com>
Date:   Tue Jul 19 14:35:44 2016 +0200

    timeline: Fix section ids to be non-translatable
    
    Reviewed-by: Thibault Saunier <tsaunier gnome org>
    Differential Revision: https://phabricator.freedesktop.org/D1177

 pitivi/timeline/timeline.py |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/pitivi/timeline/timeline.py b/pitivi/timeline/timeline.py
index ee99766..c3455a9 100644
--- a/pitivi/timeline/timeline.py
+++ b/pitivi/timeline/timeline.py
@@ -83,7 +83,7 @@ GlobalSettings.addConfigOption('imageClipLength',
                                notify=True)
 
 PreferencesDialog.addNumericPreference('imageClipLength',
-                                       section=_("timeline"),
+                                       section="timeline",
                                        label=_("Image clip duration"),
                                        description=_(
                                            "Default clip length (in milliseconds) of images when inserting 
on the timeline."),
@@ -96,7 +96,7 @@ GlobalSettings.addConfigOption('leftClickAlsoSeeks',
                                notify=True)
 
 PreferencesDialog.addTogglePreference('leftClickAlsoSeeks',
-                                      section=_("timeline"),
+                                      section="timeline",
                                       label=_("Left click also seeks"),
                                       description=_(
                                           "Whether left-clicking also seeks besides selecting and editing 
clips."))