From 7c806aaaecd6071f827beb83f92dfc224a2cb491 Mon Sep 17 00:00:00 2001
From: "b.khasanov" <afti@yandex.ru>
Date: Fri, 13 May 2016 10:43:53 +0300
Subject: [PATCH] fix representation of IntegerField

---
 rest_framework/fields.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rest_framework/fields.py b/rest_framework/fields.py
index 04dea89a2..baa932b2d 100644
--- a/rest_framework/fields.py
+++ b/rest_framework/fields.py
@@ -845,7 +845,7 @@ class IntegerField(Field):
         return data
 
     def to_representation(self, value):
-        return int(value)
+        return int(value) if value is not None else None
 
 
 class FloatField(Field):