bugfix

diff --git a/teleforma/models/core.py b/teleforma/models/core.py
index bf9f245df778367685fccc68f92841eb398f6223..01d51c4a22cb523d4cf31502a3abf65f2939c81f 100644 (file)
--- a/teleforma/models/core.py
+++ b/teleforma/models/core.py
@@ -612,7 +612,7 @@ class Media(MediaBase):
             if 'preview' in related.title:
                 #im = ImageFile(related.file)
                 #url = im.url
-                url = default.backend.get_thumbnail(related.file, 640)
+                url = default.backend.get_thumbnail(related.file, '640')
         return url
 
     class Meta(MetaCore):