From e49d22dbda5ac889ab89f277e17752c840819de2 Mon Sep 17 00:00:00 2001
From: Tom Christie
Date: Wed, 19 Nov 2014 09:31:26 +0000
Subject: Allow blank choices to render. Closes #2071.

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

(limited to 'rest_framework/fields.py')

diff --git a/rest_framework/fields.py b/rest_framework/fields.py
index 36afe7a9..bb43708d 100644
--- a/rest_framework/fields.py
+++ b/rest_framework/fields.py
@@ -947,6 +947,8 @@ class ChoiceField(Field):
             self.fail('invalid_choice', input=data)
 
     def to_representation(self, value):
+        if value in ('', None):
+            return value
         return self.choice_strings_to_values[six.text_type(value)]
 
 
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