fix poster url

diff --git a/teleforma/views/core.py b/teleforma/views/core.py
index 6b20fb150423dd59e3452d5b933754025656fc30..55af72dc4fdaad255197e4748eca29cc4612369a 100644 (file)
--- a/teleforma/views/core.py
+++ b/teleforma/views/core.py
@@ -302,7 +302,7 @@ class CourseView(CourseAccessMixin, DetailView):
                 urls = [ {'url': settings.MEDIA_URL + unicode(media.item.file), 'mime_type': media.mime_type} ]
                 for transcoded in media.item.transcoded.all():
                     urls.append({'url':settings.MEDIA_URL + unicode(transcoded.file), 'mime_type': media.mime_type})
-                media_list.append({'session': media.conference.session, 'urls': urls, 'poster': media.poster_url()})
+                media_list.append({'session': media.conference.session, 'urls': urls, 'poster': media.poster_url().url})
         return media_list