From 579f77ceaa03a216a7a635c3d3a4d83b0e5868f8 Mon Sep 17 00:00:00 2001
From: Ryan Kaskel
Date: Sat, 18 May 2013 17:04:17 +0100
Subject: Move function to compat.

---
 rest_framework/compat.py | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'rest_framework/compat.py')

diff --git a/rest_framework/compat.py b/rest_framework/compat.py
index cd39f544..76dc0052 100644
--- a/rest_framework/compat.py
+++ b/rest_framework/compat.py
@@ -495,3 +495,16 @@ except ImportError:
     oauth2_provider_forms = None
     oauth2_provider_scope = None
     oauth2_constants = None
+
+# Handle lazy strings
+from django.utils.functional import Promise
+
+if six.PY3:
+    def is_non_str_iterable(obj):
+        if (isinstance(obj, str) or
+            (isinstance(obj, Promise) and obj._delegate_text)):
+            return False
+        return hasattr(obj, '__iter__')
+else:
+    def is_non_str_iterable(obj):
+        return hasattr(obj, '__iter__')
-- 
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