Refs #33348 -- Deprecated passing errors=None to SimpleTestCase.assertFormError()/assertFormsetErrors().

2 files changed, 9 insertions, 0 deletions

diff --git a/docs/internals/deprecation.txt b/docs/internals/deprecation.txt
index 939bc5049e..4ab7a4135d 100644
--- a/docs/internals/deprecation.txt
+++ b/docs/internals/deprecation.txt
@@ -75,6 +75,10 @@ details on these changes.
 * The ``opclasses`` argument of
   ``django.contrib.postgres.constraints.ExclusionConstraint`` will be removed.
 
+* The undocumented ability to pass ``errors=None`` to
+  ``SimpleTestCase.assertFormError()`` and ``assertFormsetError()`` will be
+  removed.
+
 .. _deprecation-removed-in-4.1:
 
 4.1
diff --git a/docs/releases/4.1.txt b/docs/releases/4.1.txt
index 11d2c5ca04..219201fd00 100644
--- a/docs/releases/4.1.txt
+++ b/docs/releases/4.1.txt
@@ -385,6 +385,11 @@ Miscellaneous
             ),
         ]
 
+* The undocumented ability to pass ``errors=None`` to
+  :meth:`.SimpleTestCase.assertFormError` and
+  :meth:`~.SimpleTestCase.assertFormsetError` is deprecated. Use ``errors=[]``
+  instead.
+
 Features removed in 4.1
 =======================