From: Radek Czajka <radoslaw.czajka@nowoczesnapolska.org.pl>
Date: Thu, 20 Jun 2013 12:42:24 +0000 (+0200)
Subject: fix for non-sectioned lessons nav
X-Git-Url: https://git.mdrn.pl/edumed.git/commitdiff_plain/5d8a65f12464816813e1b03837d65af1580c6fe5

fix for non-sectioned lessons nav
---

diff --git a/catalogue/templatetags/catalogue_tags.py b/catalogue/templatetags/catalogue_tags.py
index abaa524..32a5a0b 100755
--- a/catalogue/templatetags/catalogue_tags.py
+++ b/catalogue/templatetags/catalogue_tags.py
@@ -38,7 +38,7 @@ def section_box(section):
 def lesson_nav(lesson):
     if lesson.type == 'course':
         root = lesson.section
-        siblings = root.lesson_set.filter(type='course', level=lesson.level)
+        siblings = Lesson.objects.filter(type='course', level=lesson.level, section=root)
         mark_level = False
     else:
         root = None