Exceptions: use python3 syntax
authorAndrew Chadwick <andrewc-git@piffle.org>
Sat, 24 May 2014 18:28:15 +0000 (19:28 +0100)
committerAndrew Chadwick <andrewc-git@piffle.org>
Sun, 1 Jun 2014 22:35:07 +0000 (23:35 +0100)
commit00f908a4690d688d163ec100153e4751b6e5a233
treea6896e945095a51e6249ed0de7610eed0a46a920
parentb5b4be53d49a18fe42150b7be16511b71860b670
Exceptions: use python3 syntax

In advance of requiring Python 3, of course.
lib/layer.py