From 8c7b5fc5c132ee4648aef7e95868dec9064d8ef6 Mon Sep 17 00:00:00 2001
From: "S. Andrew Sheppard" <andrew@wq.io>
Date: Wed, 27 May 2015 21:14:08 -0500
Subject: [PATCH] pop required extra_kwargs if read_only is set

---
 rest_framework/serializers.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/rest_framework/serializers.py b/rest_framework/serializers.py
index 8e1e50bc7..b1d58ee5f 100644
--- a/rest_framework/serializers.py
+++ b/rest_framework/serializers.py
@@ -1088,6 +1088,9 @@ class ModelSerializer(Serializer):
         if extra_kwargs.get('default') and kwargs.get('required') is False:
             kwargs.pop('required')
 
+        if kwargs.get('read_only', False):
+            extra_kwargs.pop('required', None)
+
         kwargs.update(extra_kwargs)
 
         return kwargs