From f2cd20cec6083c7bc8fb17706b1718faa09a6139 Mon Sep 17 00:00:00 2001
From: Radek Czajka <rczajka@rczajka.pl>
Date: Fri, 30 Jul 2021 14:47:38 +0200
Subject: [PATCH 1/1] Minor building fix.

---
 src/catalogue/fields.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/catalogue/fields.py b/src/catalogue/fields.py
index 448754957..4c8a780f0 100644
--- a/src/catalogue/fields.py
+++ b/src/catalogue/fields.py
@@ -56,7 +56,6 @@ class EbookField(models.FileField):
     """Represents an ebook file field, attachable to a model."""
     attr_class = EbookFieldFile
     registry = []
-    librarian2_api = False
 
     def __init__(self, format_name, *args, **kwargs):
         super(EbookField, self).__init__(*args, **kwargs)
@@ -125,6 +124,8 @@ class EbookField(models.FileField):
 
 
 class BuildEbook(Task):
+    librarian2_api = False
+
     formats = {}
 
     @classmethod
-- 
2.20.1