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-rw-r--r--Lib/test/test_io.py8
1 files changed, 4 insertions, 4 deletions
diff --git a/Lib/test/test_io.py b/Lib/test/test_io.py
index 53017f3..6658d78 100644
--- a/Lib/test/test_io.py
+++ b/Lib/test/test_io.py
@@ -1996,13 +1996,13 @@ class MiscIOTest(unittest.TestCase):
def test___all__(self):
for name in self.io.__all__:
obj = getattr(self.io, name, None)
- self.assert_(obj is not None, name)
+ self.assertTrue(obj is not None, name)
if name == "open":
continue
elif "error" in name.lower():
- self.assert_(issubclass(obj, Exception), name)
- else:
- self.assert_(issubclass(obj, self.IOBase), name)
+ self.assertTrue(issubclass(obj, Exception), name)
+ elif not name.startswith("SEEK_"):
+ self.assertTrue(issubclass(obj, self.IOBase))
def test_attributes(self):
f = self.open(support.TESTFN, "wb", buffering=0)