don't assume that headers have text
authorJan Szejko <jan.szejko@gmail.com>
Wed, 22 Jun 2016 11:34:17 +0000 (13:34 +0200)
committerJan Szejko <jan.szejko@gmail.com>
Wed, 22 Jun 2016 11:34:17 +0000 (13:34 +0200)
commit83ad49633f3d16ccb7c0849cac04b1ebbde208ee
tree8ca6eaf72b3d6d3c438426c40848e677527628dd
parente8993f5e4209eb1ab0b6435691df9217d843c76d
don't assume that headers have text
apps/catalogue/models/book.py