fix item.get_duration()

diff --git a/telemeta/models/media.py b/telemeta/models/media.py
index 2ed47d542d78ac383f9c5ae161d587b80310b3a2..cecf20c2ae3359ca8fa15d8f71894250233ad8e8 100644 (file)
--- a/telemeta/models/media.py
+++ b/telemeta/models/media.py
@@ -270,7 +270,7 @@ class MediaItem(Model, MediaCore):
         "Tell the length in seconds of this item media data"
         if self.file:
             import wave
-            media = wave.open(settings.MEDIA_ROOT + "/" + self.file, "rb")
+            media = wave.open(self.file.path, "rb")
             duration = media.getnframes() / media.getframerate()
             media.close()
         else: