diff --git a/apps/dpm/tasks.py b/apps/dpm/tasks.py
index 12f7a7a9..2bc39a66 100644
--- a/apps/dpm/tasks.py
+++ b/apps/dpm/tasks.py
@@ -1,3 +1,4 @@
+from __future__ import absolute_import, unicode_literals
 from apps.utils.tasks import CustomTask
 from celery import shared_task
 from apps.dpm.models import CheckTaskSet, CheckWork