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

diff --git a/apps/opds/views.py b/apps/opds/views.py
index bb38b7b..ec93da1 100644 (file)
--- a/apps/opds/views.py
+++ b/apps/opds/views.py
@@ -259,7 +259,7 @@ class ByTagFeed(AcquisitionFeed):
 
     def items(self, tag):
         books = Book.tagged.with_any([tag])
-        l_tags = Tag.objects.filter(category='book', slug__in=[book.book_tag_slug() for book in books])
+        l_tags = Tag.objects.filter(category='book', slug__in=[book.book_tag_slug() for book in books.iterator()])
         descendants_keys = [book.pk for book in Book.tagged.with_any(l_tags)]
         if descendants_keys:
             books = books.exclude(pk__in=descendants_keys)