[pitivi] Keyframes: when creating the keyframes, get values once again.

[Mathieu Duponchelle <mathieudu src gnome org>]

commit bd5a6163f455b70d55717a3c63cc002d609b211a
Author: Mathieu Duponchelle <mathieu duponchelle epitech eu>
Date:   Mon Sep 2 23:41:33 2013 +0200

    Keyframes: when creating the keyframes, get values once again.

 pitivi/timeline/elements.py |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/pitivi/timeline/elements.py b/pitivi/timeline/elements.py
index 256fe07..0e697b7 100644
--- a/pitivi/timeline/elements.py
+++ b/pitivi/timeline/elements.py
@@ -505,6 +505,8 @@ class TimelineElement(Clutter.Actor, Zoomable):
 
         self.keyframes = []
 
+        values = self.source.get_all()
+
         l = len(values)
         for i, value in enumerate(values):
             has_changable_time = True