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-rw-r--r--Lib/test/test_sys.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/Lib/test/test_sys.py b/Lib/test/test_sys.py
index a9c3616..e06cd61 100644
--- a/Lib/test/test_sys.py
+++ b/Lib/test/test_sys.py
@@ -599,6 +599,10 @@ class SysModuleTest(unittest.TestCase):
version.serial << 0)
self.assertEqual(sys.implementation.hexversion, hexversion)
+ # PEP 421 requires that .name be lower case.
+ self.assertEqual(sys.implementation.name,
+ sys.implementation.name.lower())
+
class SizeofTest(unittest.TestCase):