From: gabriel pettier <dev@tangibledisplay.com>
Date: Sun, 9 Aug 2015 00:58:31 +0000 (+0200)
Subject: make backends.TaskWarrior inherit from Backend
X-Git-Url: https://git.madduck.net/etc/taskwarrior.git/commitdiff_plain/f0ceeddfda580cc3bb0786f7e895d28b907a5c2a?ds=inline;hp=f0ceeddfda580cc3bb0786f7e895d28b907a5c2a

make backends.TaskWarrior inherit from Backend

fix missing `copy` import for Backend (fix test)
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