From 339d526d55baffea3bd3cecd0e07ddf644028e8c Mon Sep 17 00:00:00 2001
From: Chris Lamb <chris@chris-lamb.co.uk>
Date: Sat, 25 Feb 2017 02:58:56 +0800
Subject: Fixed #27873 -- Fixed crash in setup_test_environment() if
 ALLOWED_HOSTS is a tuple.

Regression in 17e661641ddaf8266e7430d83cfb2039abc55df7
---
 django/test/utils.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'django')

diff --git a/django/test/utils.py b/django/test/utils.py
index 5c374c2292..88158e89d6 100644
--- a/django/test/utils.py
+++ b/django/test/utils.py
@@ -124,7 +124,7 @@ def setup_test_environment(debug=None):
 
     saved_data.allowed_hosts = settings.ALLOWED_HOSTS
     # Add the default host of the test client.
-    settings.ALLOWED_HOSTS = settings.ALLOWED_HOSTS + ['testserver']
+    settings.ALLOWED_HOSTS = list(settings.ALLOWED_HOSTS) + ['testserver']
 
     saved_data.debug = settings.DEBUG
     settings.DEBUG = debug
-- 
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