Drop usage of non-existing permission in permission rules for lesson substitutions

CHANGELOG.rst

@@ -6,6 +6,14 @@ All notable changes to this project will be documented in this file.
 The format is based on `Keep a Changelog`_,
 and this project adheres to `Semantic Versioning`_.
 
+Unreleased
+----------
+
+Fixed
+~~~~~
+
+* Drop usage of non-existing permission in permission rules for lesson substitutions.
+
 `2.0rc1`_ - 2021-06-23
 ----------------------
 

aleksis/apps/chronos/rules.py

@@ -44,7 +44,7 @@ add_perm("chronos.delete_substitution_rule", delete_substitution_predicate)
 # View substitutions
 view_substitutions_predicate = has_person & (
     has_global_perm("chronos.view_lessonsubstitution")
-    | has_any_object("chronos.view_lessonsubstitution_rule", LessonSubstitution)
+    | has_any_object("chronos.view_lessonsubstitution", LessonSubstitution)
 )
 add_perm("chronos.view_substitutions_rule", view_substitutions_predicate)