From a496c523a453ec80001073b95b3e24d8c5ce12d7 Mon Sep 17 00:00:00 2001
From: Tom Jaster <futur3.tom@gmail.com>
Date: Tue, 20 Jan 2015 22:32:58 +0100
Subject: [PATCH] to_field is rel.field_name at <1.6. love pdb and pip!

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

diff --git a/rest_framework/compat.py b/rest_framework/compat.py
index 82ad0ea93..ca99f19e1 100644
--- a/rest_framework/compat.py
+++ b/rest_framework/compat.py
@@ -158,7 +158,7 @@ if django.VERSION >= (1, 6):
         return field.to_fields[0] if len(field.to_fields) else None
 else:
     def get_to_field(field):
-        return field.field_name
+        return field.rel.field_name
 
 
 # URLValidator only accepts `message` in 1.6+