bpo-12022: Change error type for bad objects in "with" and "async with" (GH-26809)

A TypeError is now raised instead of an AttributeError in
"with" and "async with" statements for objects which do not
support the context manager or asynchronous context manager
protocols correspondingly.

1 files changed, 2 insertions, 2 deletions

diff --git a/Lib/test/test_contextlib.py b/Lib/test/test_contextlib.py
index 453ef6c9f0..dbc3f5fbe2 100644
--- a/Lib/test/test_contextlib.py
+++ b/Lib/test/test_contextlib.py
@@ -491,7 +491,7 @@ class TestContextDecorator(unittest.TestCase):
             def __exit__(self, *exc):
                 pass
 
-        with self.assertRaises(AttributeError):
+        with self.assertRaisesRegex(TypeError, 'the context manager'):
             with mycontext():
                 pass
 
@@ -503,7 +503,7 @@ class TestContextDecorator(unittest.TestCase):
             def __uxit__(self, *exc):
                 pass
 
-        with self.assertRaises(AttributeError):
+        with self.assertRaisesRegex(TypeError, 'the context manager.*__exit__'):
             with mycontext():
                 pass