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-rw-r--r--Lib/test/test_pprint.py5
1 files changed, 3 insertions, 2 deletions
diff --git a/Lib/test/test_pprint.py b/Lib/test/test_pprint.py
index 95ffab7..d492d75 100644
--- a/Lib/test/test_pprint.py
+++ b/Lib/test/test_pprint.py
@@ -471,8 +471,9 @@ class QueryTestCase(unittest.TestCase):
'{1: 0, ' + repr(Unorderable) +': 0}')
# Issue 14998: TypeError on tuples with NoneTypes as dict keys.
- self.assertEqual(pprint.pformat({(1,): 0, (None,): 0}),
- '{(1,): 0, (None,): 0}')
+ keys = [(1,), (None,)]
+ self.assertEqual(pprint.pformat(dict.fromkeys(keys, 0)),
+ '{%r: 0, %r: 0}' % tuple(sorted(keys, key=id)))
class DottedPrettyPrinter(pprint.PrettyPrinter):