From 774d687a311813a45ac9b2d3e1570c8bbca092fd Mon Sep 17 00:00:00 2001
From: Stephan Groß
Date: Wed, 21 Nov 2012 14:58:33 +0100
Subject: updated comparison due to pep8 programming recommendations

http://www.python.org/dev/peps/pep-0008/#programming-recommendations
---
 rest_framework/serializers.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rest_framework/serializers.py b/rest_framework/serializers.py
index f7918c4c..9f4964fa 100644
--- a/rest_framework/serializers.py
+++ b/rest_framework/serializers.py
@@ -460,7 +460,7 @@ class ModelSerializer(Serializer):
         """
         self.m2m_data = {}
 
-        if instance:
+        if instance is not None:
             for key, val in attrs.items():
                 setattr(instance, key, val)
             return instance
-- 
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