check for lessons without section
authorJan Szejko <janek37@gmail.com>
Tue, 22 Nov 2016 11:46:10 +0000 (12:46 +0100)
committerJan Szejko <janek37@gmail.com>
Tue, 22 Nov 2016 11:46:10 +0000 (12:46 +0100)
commit739f5e011528ab0651f67be7e40daf8e48cb3764
tree42e9f68735d749ef517c26738e85fda9fff93907
parentc13952acc4bd9baede3ac65350cccb1de9a20eea
check for lessons without section
curriculum/models.py