X-Git-Url: https://git.madduck.net/etc/taskwarrior.git/blobdiff_plain/bee8b11c89922132fde1fab7a297856518caabd5..f0ceeddfda580cc3bb0786f7e895d28b907a5c2a:/tasklib/backends.py

diff --git a/tasklib/backends.py b/tasklib/backends.py
index 825db82..6c19b48 100644
--- a/tasklib/backends.py
+++ b/tasklib/backends.py
@@ -6,6 +6,7 @@ import os
 import re
 import six
 import subprocess
+import copy
 
 from .task import Task, TaskQuerySet
 from .filters import TaskWarriorFilter
@@ -80,7 +81,7 @@ class TaskWarriorException(Exception):
     pass
 
 
-class TaskWarrior(object):
+class TaskWarrior(Backend):
 
     VERSION_2_1_0 = six.u('2.1.0')
     VERSION_2_2_0 = six.u('2.2.0')