X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/a23b57cb16a06a83d745961503daac8c4d99b526..9a938c8b406ce05e3bca4a5a483d473ece9e17b0:/src/catalogue/helpers.py?ds=inline

diff --git a/src/catalogue/helpers.py b/src/catalogue/helpers.py
index f74fad3e3..97c63d08c 100644
--- a/src/catalogue/helpers.py
+++ b/src/catalogue/helpers.py
@@ -59,7 +59,7 @@ def update_counters():
     def count_for_book(book, count_by_combination=None, parent_combinations=None):
         if not parent_combinations:
             parent_combinations = set()
-        tags = sorted(tuple(t.pk for t in book.tags.filter(category__in=('author', 'genre', 'epoch', 'kind'))))
+        tags = sorted(book.tags.filter(category__in=('author', 'genre', 'epoch', 'kind')).values_list('pk', flat=True))
         combs = list(combinations(tags))
         for c in combs:
             if c not in parent_combinations: