From 34f903ac88818d5204812e93fe41e5b3b84efd91 Mon Sep 17 00:00:00 2001
From: magicfelix <felix@felix-zauberer.de>
Date: Sat, 10 Sep 2022 00:02:30 +0200
Subject: [PATCH] Provide unified coursebook for similar lessons

---
 aleksis/apps/alsijil/schema.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/aleksis/apps/alsijil/schema.py b/aleksis/apps/alsijil/schema.py
index 7bb0ebfac..0df8ca037 100644
--- a/aleksis/apps/alsijil/schema.py
+++ b/aleksis/apps/alsijil/schema.py
@@ -234,7 +234,7 @@ class Query(graphene.ObjectType):
 
         return LessonDocumentation.objects.filter(
             lesson_period_id__in=LessonPeriod.objects.filter(
-                lesson__in=lesson.equal_lessons
+                lesson__in=lesson._equal_lessons
             ).values_list("id", flat=True)
         ).order_by(
             "-year", "-week", "-lesson_period__period__weekday", "-lesson_period__period__period"
-- 
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