From d7c08222f14389b4d61e5ca9032c49b8b917d251 Mon Sep 17 00:00:00 2001
From: Tom Christie <tom@tomchristie.com>
Date: Tue, 7 May 2013 14:11:48 +0100
Subject: [PATCH] Fix breadcrumb rendering issue

---
 docs/topics/release-notes.md        | 6 ++++++
 rest_framework/__init__.py          | 2 +-
 rest_framework/utils/breadcrumbs.py | 3 ++-
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/docs/topics/release-notes.md b/docs/topics/release-notes.md
index 56ee926c30..14732a0d02 100644
--- a/docs/topics/release-notes.md
+++ b/docs/topics/release-notes.md
@@ -40,6 +40,12 @@ You can determine your currently installed version using `pip freeze`:
 
 ## 2.3.x series
 
+### 2.3.1
+
+**Date**: 7th May 2013
+
+* Bugfix: Fix breadcrumb rendering issue.
+
 ### 2.3.0
 
 **Date**: 7th May 2013
diff --git a/rest_framework/__init__.py b/rest_framework/__init__.py
index 35196c741b..819558b5ae 100644
--- a/rest_framework/__init__.py
+++ b/rest_framework/__init__.py
@@ -1,4 +1,4 @@
-__version__ = '2.3.0'
+__version__ = '2.3.1'
 
 VERSION = __version__  # synonym
 
diff --git a/rest_framework/utils/breadcrumbs.py b/rest_framework/utils/breadcrumbs.py
index 28801d0977..d51374b0a8 100644
--- a/rest_framework/utils/breadcrumbs.py
+++ b/rest_framework/utils/breadcrumbs.py
@@ -24,7 +24,8 @@ def breadcrumbs_recursive(url, breadcrumbs_list, prefix, seen):
         else:
             # Check if this is a REST framework view,
             # and if so add it to the breadcrumbs
-            if issubclass(getattr(view, 'cls', None), APIView):
+            cls = getattr(view, 'cls', None)
+            if cls is not None and issubclass(cls, APIView):
                 # Don't list the same view twice in a row.
                 # Probably an optional trailing slash.
                 if not seen or seen[-1] != view: