Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8
* Replace "bytes" by "bytes object" in struct error messages
* Document the API change in What's new in Python 3.2
* Fix test_wave
* Remove also ugly implicit conversions in test_struct
diff --git a/Lib/wave.py b/Lib/wave.py
index b5bb105..2877137 100644
--- a/Lib/wave.py
+++ b/Lib/wave.py
@@ -467,11 +467,11 @@
self._datalength = self._nframes * self._nchannels * self._sampwidth
self._form_length_pos = self._file.tell()
self._file.write(struct.pack('<l4s4slhhllhh4s',
- 36 + self._datalength, 'WAVE', 'fmt ', 16,
+ 36 + self._datalength, b'WAVE', b'fmt ', 16,
WAVE_FORMAT_PCM, self._nchannels, self._framerate,
self._nchannels * self._framerate * self._sampwidth,
self._nchannels * self._sampwidth,
- self._sampwidth * 8, 'data'))
+ self._sampwidth * 8, b'data'))
self._data_length_pos = self._file.tell()
self._file.write(struct.pack('<l', self._datalength))
self._headerwritten = True