Add from __future__ import unicode_literals, issue #37

mayan/apps/document_indexing/api_views.py

@@ -1,4 +1,4 @@
-from __future__ import absolute_import
+from __future__ import absolute_import, unicode_literals
 
 from django.core.exceptions import PermissionDenied
 from django.shortcuts import get_object_or_404