diff options
Diffstat (limited to 'Lib/test/test_os.py')
| -rw-r--r-- | Lib/test/test_os.py | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/Lib/test/test_os.py b/Lib/test/test_os.py index f58a5c1647..af02939ff0 100644 --- a/Lib/test/test_os.py +++ b/Lib/test/test_os.py @@ -689,12 +689,11 @@ class MakedirTests(unittest.TestCase): class DevNullTests(unittest.TestCase): def test_devnull(self): - f = open(os.devnull, 'w') - f.write('hello') - f.close() - f = open(os.devnull, 'r') - self.assertEqual(f.read(), '') - f.close() + with open(os.devnull, 'wb') as f: + f.write(b'hello') + f.close() + with open(os.devnull, 'rb') as f: + self.assertEqual(f.read(), b'') class URandomTests(unittest.TestCase): def test_urandom(self): @@ -1044,7 +1043,7 @@ if sys.platform != 'win32': def test_open(self): for fn in self.unicodefn: - f = open(os.path.join(self.dir, fn)) + f = open(os.path.join(self.dir, fn), 'rb') f.close() def test_stat(self): |