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-rw-r--r--docs/topics/testing/tools.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/docs/topics/testing/tools.txt b/docs/topics/testing/tools.txt
index ae291627d4..1f59943ade 100644
--- a/docs/topics/testing/tools.txt
+++ b/docs/topics/testing/tools.txt
@@ -1104,6 +1104,10 @@ The decorator can also be applied to test case classes::
the original ``LoginTestCase`` is still equally affected by the
decorator.
+ Finally, avoid aliasing your settings as module-level constants as
+ ``override_settings()`` won't work on such values since they are
+ only evaluated the first time the module is imported.
+
You can also simulate the absence of a setting by deleting it after settings
have been overriden, like this::