[1.7.x] Fixed #22477 -- Removed contrib middleware from the global settings defaults.

Also added a compatibility check for changed middleware defaults.

1 files changed, 2 insertions, 1 deletions

diff --git a/tests/admin_scripts/tests.py b/tests/admin_scripts/tests.py
index 7eedf18a4d..00498e122f 100644
--- a/tests/admin_scripts/tests.py
+++ b/tests/admin_scripts/tests.py
@@ -58,11 +58,12 @@ class AdminScriptTestCase(unittest.TestCase):
                 'ROOT_URLCONF',
                 'SECRET_KEY',
                 'TEST_RUNNER',  # We need to include TEST_RUNNER, otherwise we get a compatibility warning.
+                'MIDDLEWARE_CLASSES',  # We need to include MIDDLEWARE_CLASSES, otherwise we get a compatibility warning.
             ]
             for s in exports:
                 if hasattr(settings, s):
                     o = getattr(settings, s)
-                    if not isinstance(o, dict):
+                    if not isinstance(o, (dict, tuple, list)):
                         o = "'%s'" % o
                     settings_file.write("%s = %s\n" % (s, o))