Add from __future__ import unicode_literals, issue #37

mayan/apps/checkouts/api_views.py

@@ -1,9 +1,10 @@
-from __future__ import absolute_import
+from __future__ import absolute_import, unicode_literals
+
+import pytz
 
 from django.core.exceptions import PermissionDenied
 from django.shortcuts import get_object_or_404
 
-import pytz
 from rest_framework import generics, status
 from rest_framework.response import Response