From 05b0c2adff35e136ca2022156534c87f8394f34a Mon Sep 17 00:00:00 2001
From: Tom Christie <tom@tomchristie.com>
Date: Wed, 1 Jun 2016 17:28:32 +0100
Subject: [PATCH] Don't list M2M choices in OPTIONS requests. Refs #3751.
 (#4160)

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

diff --git a/rest_framework/metadata.py b/rest_framework/metadata.py
index 673aa962c..410acd0e2 100644
--- a/rest_framework/metadata.py
+++ b/rest_framework/metadata.py
@@ -138,7 +138,7 @@ class SimpleMetadata(BaseMetadata):
             field_info['children'] = self.get_serializer_info(field)
 
         if (not field_info.get('read_only') and
-            not isinstance(field, serializers.RelatedField) and
+            not isinstance(field, (serializers.RelatedField, serializers.ManyRelatedField)) and
                 hasattr(field, 'choices')):
             field_info['choices'] = [
                 {