From 48e1f151c558306c5528bfd012d134f9ea9e7bfc Mon Sep 17 00:00:00 2001
From: Di Wu
Date: Mon, 16 Mar 2015 22:13:07 -0700
Subject: use SAFE_METHODS and make tuple

---
 rest_framework/permissions.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'rest_framework')

diff --git a/rest_framework/permissions.py b/rest_framework/permissions.py
index 9069d315..fcebf046 100644
--- a/rest_framework/permissions.py
+++ b/rest_framework/permissions.py
@@ -5,7 +5,7 @@ from __future__ import unicode_literals
 from django.http import Http404
 from rest_framework.compat import get_model_name
 
-SAFE_METHODS = ['GET', 'HEAD', 'OPTIONS']
+SAFE_METHODS = ('GET', 'HEAD', 'OPTIONS')
 
 
 class BasePermission(object):
@@ -185,7 +185,7 @@ class DjangoObjectPermissions(DjangoModelPermissions):
             # they have read permissions to see 403, or not, and simply see
             # a 404 response.
 
-            if request.method in ('GET', 'OPTIONS', 'HEAD'):
+            if request.method in SAFE_METHODS:
                 # Read permissions already checked and failed, no need
                 # to make another lookup.
                 raise Http404
-- 
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