book text template fix

[wolnelektury.git] / apps / reporting / views.py

diff --git a/apps/reporting/views.py b/apps/reporting/views.py
index bf043f2..cb87f81 100644 (file)
--- a/apps/reporting/views.py
+++ b/apps/reporting/views.py
@@ -21,7 +21,7 @@ def stats_page(request):
             annotate(count=Count('type')).\
             order_by('type')
     for mt in media_types:
-        mt['size'] = sum(b.file.size for b in BookMedia.objects.filter(type=mt['type']))
+        mt['size'] = sum(b.file.size for b in BookMedia.objects.filter(type=mt['type']).iterator())
         if mt['type'] in ('mp3', 'ogg'):
             deprecated = BookMedia.objects.filter(
                     type=mt['type'], source_sha1=None)