Add a newline

Author: tomasr8

Lib/test/test_io/test_bufferedio.py

@@ -664,6 +664,7 @@ def __index__(self):
         with self.assertRaisesRegex(ValueError, "raw stream has been detached"):
             bufio.seek(EvilIndex())
 
+
 class PyBufferedReaderTest(BufferedReaderTest, PyTestCase):
     tp = pyio.BufferedReader