From 95670933d7954a99e02f0e19f285d8740ab5e449 Mon Sep 17 00:00:00 2001
From: Carlton Gibson
Date: Tue, 11 Feb 2014 14:44:56 +0100
Subject: Test and quick fix for #1257

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

(limited to 'rest_framework/serializers.py')

diff --git a/rest_framework/serializers.py b/rest_framework/serializers.py
index 38b5089a..10256d47 100644
--- a/rest_framework/serializers.py
+++ b/rest_framework/serializers.py
@@ -893,6 +893,7 @@ class ModelSerializer(Serializer):
             field_name = field.source or field_name
             if field_name in exclusions \
                 and not field.read_only \
+                and field.required \
                 and not isinstance(field, Serializer):
                 exclusions.remove(field_name)
         return exclusions
-- 
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