From aa4ed9b9b2d557e11af2336270c9bec9ebe65f96 Mon Sep 17 00:00:00 2001
From: virusdefender <1670873886@qq.com>
Date: Wed, 23 Sep 2015 21:30:00 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8DNone=20=E5=AF=BC=E8=87=B4?=
 =?UTF-8?q?=E7=9A=84=20xss=20filter=20=E5=B7=A5=E4=BD=9C=E5=BC=82=E5=B8=B8?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 utils/models.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/utils/models.py b/utils/models.py
index f984490..99e3944 100644
--- a/utils/models.py
+++ b/utils/models.py
@@ -8,6 +8,8 @@ class RichTextField(models.TextField):
     __metaclass__ = models.SubfieldBase
 
     def get_prep_value(self, value):
+        if not value:
+            return value
         parser = XssHtml()
         parser.feed(value)
         parser.close()