From 17a00be830a3b8861be5014e94850f7a8f4ecd25 Mon Sep 17 00:00:00 2001
From: dpetzel <davidpetzel@gmail.com>
Date: Fri, 18 Oct 2013 21:13:20 -0400
Subject: [PATCH] This fix results in models.NullBooleanField rendering as a
 checkbox in the browsable API

---
 rest_framework/serializers.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/rest_framework/serializers.py b/rest_framework/serializers.py
index 4210d058b..f30f1fd8b 100644
--- a/rest_framework/serializers.py
+++ b/rest_framework/serializers.py
@@ -606,6 +606,7 @@ class ModelSerializer(Serializer):
         models.TextField: CharField,
         models.CommaSeparatedIntegerField: CharField,
         models.BooleanField: BooleanField,
+        models.NullBooleanField: BooleanField,
         models.FileField: FileField,
         models.ImageField: ImageField,
     }