From 78601d90c9fd13b20d1e6cfe2342ddb23a520e33 Mon Sep 17 00:00:00 2001
From: Erdenezul Batmunkh <erdenezul.b@gmail.com>
Date: Sun, 20 May 2018 17:54:13 +0800
Subject: [PATCH] fix typo

---
 mongoengine/queryset/base.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mongoengine/queryset/base.py b/mongoengine/queryset/base.py
index 391cc819..4c8309a7 100644
--- a/mongoengine/queryset/base.py
+++ b/mongoengine/queryset/base.py
@@ -375,7 +375,7 @@ class BaseQuerySet(object):
             # inserting documents that already have an _id field will
             # give huge performance debt or raise
             message = u'Document must not have _id value before bulk write (%s)'
-            raise NotUniqueError(message % sx.text_type(err))
+            raise NotUniqueError(message % six.text_type(err))
 
         if not load_bulk:
             signals.post_bulk_insert.send(