PEP 465: a dedicated infix operator for matrix multiplication (closes #21176)
diff --git a/Lib/test/test_descr.py b/Lib/test/test_descr.py
index 8bb7d6a..e65edb2 100644
--- a/Lib/test/test_descr.py
+++ b/Lib/test/test_descr.py
@@ -4160,6 +4160,7 @@
                 ('__add__',      'x + y',                   'x += y'),
                 ('__sub__',      'x - y',                   'x -= y'),
                 ('__mul__',      'x * y',                   'x *= y'),
+                ('__matmul__',   'x @ y',                   'x @= y'),
                 ('__truediv__',  'operator.truediv(x, y)',  None),
                 ('__floordiv__', 'operator.floordiv(x, y)', None),
                 ('__div__',      'x / y',                   'x /= y'),