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-rw-r--r--Lib/lib2to3/tests/test_main.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/Lib/lib2to3/tests/test_main.py b/Lib/lib2to3/tests/test_main.py
index 23d1b56..2485f7a 100644
--- a/Lib/lib2to3/tests/test_main.py
+++ b/Lib/lib2to3/tests/test_main.py
@@ -25,12 +25,12 @@ class TestMain(unittest.TestCase):
def test_unencodable_diff(self):
input_stream = io.StringIO("print 'nothing'\nprint u'über'\n")
- out = io.StringIO()
+ out = io.BytesIO()
out_enc = codecs.getwriter("ascii")(out)
err = io.StringIO()
ret = self.run_2to3_capture(["-"], input_stream, out_enc, err)
self.assertEqual(ret, 0)
- output = out.getvalue()
+ output = out.getvalue().decode("ascii")
self.assertTrue("-print 'nothing'" in output)
self.assertTrue("WARNING: couldn't encode <stdin>'s diff for "
"your terminal" in err.getvalue())