fix test

Author: kumaraditya303

tests/test_tcp.py

@@ -404,7 +404,7 @@ async def client(addr):
             writer.write(b'AAAA')
             self.assertEqual(await reader.readexactly(2), b'OK')
 
-            re = r'(a bytes-like object)|(must be byte-ish)'
+            re = r'(a bytes-like object)|(must be byte-ish)|(must be a bytes, bytearray, or memoryview object)'
             with self.assertRaisesRegex(TypeError, re):
                 writer.write('AAAA')