From: Radek Czajka <rczajka@rczajka.pl>
Date: Tue, 26 Sep 2023 11:53:14 +0000 (+0200)
Subject: fix for isbn import
X-Git-Url: https://git.mdrn.pl/redakcja.git/commitdiff_plain/14f2c24a604e36cad62ba9f6f8d71bf500f8e35a?hp=2bde30d633af49f2d3d40305e30df68c04dc0786

fix for isbn import
---

diff --git a/src/isbn/models.py b/src/isbn/models.py
index 14e973d8..43d01bfc 100644
--- a/src/isbn/models.py
+++ b/src/isbn/models.py
@@ -142,7 +142,7 @@ class Isbn(models.Model):
                     add_note = False
                     if isbn.book is None:
                         isbn.book = catalogue_book
-                    elif isbn.book is not catalogue_book:
+                    elif isbn.book != catalogue_book:
                         add_note = True
                     if not isbn.form:
                         isbn.form = form