[pitivi] Remove an unneeded if-statement

[Jean-FranÃois Fortin Tam <jfft src gnome org>]

commit 465693ce7a6cf79e3dac4b20fe1950c8023fb69e
Author: Paul Lange <palango gmx de>
Date:   Tue Jun 19 16:15:55 2012 +0200

    Remove an unneeded if-statement

 pitivi/timeline/timeline.py |    7 +------
 1 files changed, 1 insertions(+), 6 deletions(-)
---
diff --git a/pitivi/timeline/timeline.py b/pitivi/timeline/timeline.py
index 9a5c4b3..28b3465 100644
--- a/pitivi/timeline/timeline.py
+++ b/pitivi/timeline/timeline.py
@@ -378,12 +378,7 @@ class TimelineCanvas(goocanvas.Canvas, Zoomable, Loggable):
     def _request_size(self):
         alloc = self.get_allocation()
         self.set_bounds(0, 0, alloc.width, alloc.height)
-
-        playhead_height = self.height + SPACING
-        if playhead_height >= 0:
-            self._playhead.props.height = playhead_height
-        else:
-            self._playhead.props.height = 0
+        self._playhead.props.height = max(0, self.height + SPACING)
 
     def _size_allocate_cb(self, widget, allocation):
         self._request_size()