Resolve "[Lesson substitution] View with all lesson substitutions in the future"

Closes #11 (closed)

biscuit/apps/chronos/tables.py

@@ -41,6 +41,6 @@ class SubstitutionsTable(tables.Table):
     lesson_period = tables.Column(accessor='lesson_period')
     lesson__groups = tables.Column(accessor='lesson_period.lesson.group_names', verbose_name=_('Groups'))
     lesson__teachers = tables.Column(accessor='lesson_period.get_teacher_names', verbose_name=_('Teachers'))
-    lesson__subject = tables.Column(accessor='lesson.subject')
-    room = tables.Column(accessor='lesson_period.room')
+    lesson__subject = tables.Column(accessor='subject')
+    room = tables.Column(accessor='room')
     cancelled = tables.Column(accessor='cancelled', verbose_name=_('Cancelled'))