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-rw-r--r--python/samba/tests/__init__.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/python/samba/tests/__init__.py b/python/samba/tests/__init__.py
index 9c82abd668..413ac69833 100644
--- a/python/samba/tests/__init__.py
+++ b/python/samba/tests/__init__.py
@@ -70,6 +70,9 @@ class TestCase(unittest.TestCase):
def assertIsInstance(self, a, b):
self.assertTrue(isinstance(a, b))
+ def assertIsNone(self, a, msg=None):
+ self.assertTrue(a is None, msg)
+
def addCleanup(self, fn, *args, **kwargs):
self._cleanups = getattr(self, "_cleanups", []) + [
(fn, args, kwargs)]