[pitivi] Remove unused import from pitivi.timeline.timeline

[Edward Hervey <edwardrv src gnome org>]

commit fa8d7611c8e7e72799b48282dc053ff381e910d8
Author: Alessandro Decina <alessandro d gmail com>
Date:   Tue Jun 9 12:33:00 2009 +0200

    Remove unused import from pitivi.timeline.timeline

 pitivi/timeline/timeline.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/pitivi/timeline/timeline.py b/pitivi/timeline/timeline.py
index 875e2d1..dc1f326 100644
--- a/pitivi/timeline/timeline.py
+++ b/pitivi/timeline/timeline.py
@@ -26,7 +26,7 @@ from bisect import bisect_right
 from pitivi.signalinterface import Signallable
 from pitivi.log.loggable import Loggable
 from pitivi.utils import UNKNOWN_DURATION, closest_item, PropertyChangeTracker
-from pitivi.timeline.track import Track, SourceTrackObject, TrackError
+from pitivi.timeline.track import SourceTrackObject, TrackError
 from pitivi.stream import match_stream_groups_map
 
 # Selection modes