[pitivi] Fix a traceback removing clips. Fixes #576577.

[Edward Hervey <edwardrv src gnome org>]

commit 39025093f89a631626f51073d043073041300446
Author: Alessandro Decina <alessandro decina collabora co uk>
Date:   Wed Mar 25 16:33:09 2009 +0100

    Fix a traceback removing clips. Fixes #576577.
---
 pitivi/timeline/track.py      |    2 +-
 pitivi/ui/timelinecontrols.py |    2 +-
 pitivi/ui/track.py            |    2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/pitivi/timeline/track.py b/pitivi/timeline/track.py
index d5bf999..9913f23 100644
--- a/pitivi/timeline/track.py
+++ b/pitivi/timeline/track.py
@@ -376,7 +376,7 @@ class Track(object, Signallable):
         self._max_priority = max((obj.priority for obj in self.track_objects
             if obj is not self.default_track_object))
         if op != self._max_priority:
-            self.emit("max-priority-changed")
+            self.emit("max-priority-changed", self._max_priority)
 
     def _connectToTrackObjectSignals(self, track_object):
         track_object.connect("priority-changed", self._trackObjectPriorityCb)
diff --git a/pitivi/ui/timelinecontrols.py b/pitivi/ui/timelinecontrols.py
index b4d3ac4..8bf35ca 100644
--- a/pitivi/ui/timelinecontrols.py
+++ b/pitivi/ui/timelinecontrols.py
@@ -47,7 +47,7 @@ class TrackControls(gtk.Expander):
     track = receiver()
 
     @handler(track, "max-priority-changed")
-    def _maxPriorityChanged(self, track):
+    def _maxPriorityChanged(self, track, max_priority):
         self.set_size_request(TRACK_CONTROL_WIDTH, (1 +
             self.track.max_priority) * (LAYER_HEIGHT_EXPANDED +
             LAYER_SPACING))
diff --git a/pitivi/ui/track.py b/pitivi/ui/track.py
index 4f2c8e5..716b7f5 100644
--- a/pitivi/ui/track.py
+++ b/pitivi/ui/track.py
@@ -54,5 +54,5 @@ class Track(goocanvas.Group, Zoomable):
         Zoomable.removeInstance(w)
 
     @handler(track, "max-priority-changed")
-    def _maxPriorityChanged(self, track):
+    def _maxPriorityChanged(self, track, max_priority):
         self.get_canvas().regroupTracks()