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-rw-r--r--Lib/test/test_slice.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/Lib/test/test_slice.py b/Lib/test/test_slice.py
index 584e5c7..03fde32 100644
--- a/Lib/test/test_slice.py
+++ b/Lib/test/test_slice.py
@@ -236,8 +236,10 @@ class SliceTest(unittest.TestCase):
self.assertEqual(tmp, [(slice(1, 2), 42)])
def test_pickle(self):
+ import pickle
+
s = slice(10, 20, 3)
- for protocol in (0,1,2):
+ for protocol in range(pickle.HIGHEST_PROTOCOL + 1):
t = loads(dumps(s, protocol))
self.assertEqual(s, t)
self.assertEqual(s.indices(15), t.indices(15))