Merged revisions 81809 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r81809 | victor.stinner | 2010-06-07 22:14:04 +0200 (lun., 07 juin 2010) | 3 lines

  Issue #8897: Fix sunau module, use bytes to write the header. Patch written by
  Thomas Jollans.
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diff --git a/Lib/sunau.py b/Lib/sunau.py
index 4d07f43..5f50e8f 100644
--- a/Lib/sunau.py
+++ b/Lib/sunau.py
@@ -299,7 +299,7 @@
         self._nframeswritten = 0
         self._datawritten = 0
         self._datalength = 0
-        self._info = ''
+        self._info = b''
         self._comptype = 'ULAW' # default is U-law
 
     def setnchannels(self, nchannels):