diff --git a/frappe/database.py b/frappe/database.py
index d55a028976..939a82fea7 100644
--- a/frappe/database.py
+++ b/frappe/database.py
@@ -17,6 +17,7 @@ from frappe import _
 from frappe.model.utils.link_count import flush_local_link_count
 from frappe.utils.background_jobs import execute_job, get_queue
 from frappe import as_unicode
+import six
 
 # imports - compatibility imports
 from six import (