fix(unicode): Import unicode_literals in every file
diff --git a/erpnext/config/maintenance.py b/erpnext/config/maintenance.py
index 7a44f55..97be47c 100644
--- a/erpnext/config/maintenance.py
+++ b/erpnext/config/maintenance.py
@@ -1,3 +1,4 @@
+from __future__ import unicode_literals
 from frappe import _
 
 def get_data():