From 923741f124f437ee9893388ceaaf360418dd9f46 Mon Sep 17 00:00:00 2001
From: Gao Jiangmiao <gao.jiangmiao@h3c.com>
Date: Sun, 12 Jun 2016 17:21:53 +0800
Subject: [PATCH] Allow IPAddressField and GenericIPAddressField blankable

---
 rest_framework/utils/field_mapping.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/rest_framework/utils/field_mapping.py b/rest_framework/utils/field_mapping.py
index af7ab0231..41b160373 100644
--- a/rest_framework/utils/field_mapping.py
+++ b/rest_framework/utils/field_mapping.py
@@ -104,7 +104,9 @@ def get_field_kwargs(field_name, model_field):
         kwargs['allow_null'] = True
 
     if model_field.blank and (isinstance(model_field, models.CharField) or
-                              isinstance(model_field, models.TextField)):
+                              isinstance(model_field, models.TextField) or
+                              isinstance(model_field, models.IPAddressField) or
+                              isinstance(model_field, models.GenericIPAddressField)):
         kwargs['allow_blank'] = True
 
     if isinstance(model_field, models.FilePathField):