[pitivi] Fix spacing setting

[Thibault Saunier <tsaunier src gnome org>]

commit 18e77773ebee377acafab19afe03571f1c085d50
Author: Alexandru Băluț <alexandru balut gmail com>
Date:   Fri Nov 21 04:05:11 2014 +0100

    Fix spacing setting

 pitivi/effects.py       |    2 +-
 pitivi/utils/extract.py |    2 --
 pitivi/utils/widgets.py |    2 +-
 3 files changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/pitivi/effects.py b/pitivi/effects.py
index 86677cb..ef512d0 100644
--- a/pitivi/effects.py
+++ b/pitivi/effects.py
@@ -355,7 +355,7 @@ class EffectListWidget(Gtk.Box, Loggable):
         self.view.set_model(self.modelFilter)
 
         icon_col = Gtk.TreeViewColumn()
-        icon_col.props.spacing = SPACING
+        icon_col.set_spacing(SPACING)
         icon_col.set_sizing(Gtk.TreeViewColumnSizing.FIXED)
         icon_col.props.fixed_width = ICON_WIDTH
         icon_cell = Gtk.CellRendererPixbuf()
diff --git a/pitivi/utils/extract.py b/pitivi/utils/extract.py
index 2d411dd..458b44e 100644
--- a/pitivi/utils/extract.py
+++ b/pitivi/utils/extract.py
@@ -168,8 +168,6 @@ class RandomAccessAudioExtractor(RandomAccessExtractor):
         self._ready = False
 
     def _pipelineInit(self, factory, sbin):
-        self.spacing = 0
-
         self.audioSink = ExtractionSink()
         self.audioSink.set_stopped_cb(self._finishSegment)
         # This audiorate element ensures that the extracted raw-data
diff --git a/pitivi/utils/widgets.py b/pitivi/utils/widgets.py
index 529f62b..c4ea608 100644
--- a/pitivi/utils/widgets.py
+++ b/pitivi/utils/widgets.py
@@ -211,7 +211,7 @@ class NumericWidget(Gtk.Box, DynamicWidget):
         DynamicWidget.__init__(self, default)
 
         self.set_orientation(Gtk.Orientation.HORIZONTAL)
-        self.spacing = SPACING
+        self.set_spacing(SPACING)
         self.adjustment = Gtk.Adjustment()
         self.upper = upper
         self.lower = lower