From 68c72b833c33e2f0ad335ba519dffaaf56213b32 Mon Sep 17 00:00:00 2001
From: Aleksei Maslennikov <minisotm@gmail.com>
Date: Mon, 29 Oct 2018 21:05:00 +0300
Subject: [PATCH] add changelog by 651

---
 CHANGES.rst | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/CHANGES.rst b/CHANGES.rst
index 4573e2a7..a3ea91c0 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,13 @@
 Changelog
 =========
 
+Version 2.3.3
+-------------
+
+Fix "AttributeError: 'NoneType' object has no attribute 'info'", when using polymorphic models. (`#651`_)
+
+.. _#651: https://github.com/mitsuhiko/flask-sqlalchemy/pull/651
+
 
 Version 2.3.2
 -------------